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Finding the Fourth Proportional to 637,160.76, 879,275.17 and 350,674.69

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Solution

The fourth proportional to 637,160.76, 879,275.17 and 350,674.69 is: 483,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,160.76 : 879,275.17 = 350,674.69 : x
  2. Step 2: Convert to fraction form
    637,160.76/879,275.17 = 350,674.69/x
  3. Step 3: Cross multiply
    637,160.76x = 879,275.17 × 350,674.69
  4. Step 4: Simplify right side
    637,160.76x = 308,339,547,664.45
  5. Step 5: Solve for x
    x = 308,339,547,664.45/637,160.76
  6. Step 6: Final answer
    x = 483,927.40

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Half scale
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Double scale
Find fourth proportional to 637,161.76, 879,276.55 and 350,675.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.