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Finding the Fourth Proportional to 637,034.70, 879,085.53 and 350,547.42

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Solution

The fourth proportional to 637,034.70, 879,085.53 and 350,547.42 is: 483,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,034.70 : 879,085.53 = 350,547.42 : x
  2. Step 2: Convert to fraction form
    637,034.70/879,085.53 = 350,547.42/x
  3. Step 3: Cross multiply
    637,034.70x = 879,085.53 × 350,547.42
  4. Step 4: Simplify right side
    637,034.70x = 308,161,164,500.83
  5. Step 5: Solve for x
    x = 308,161,164,500.83/637,034.70
  6. Step 6: Final answer
    x = 483,743.14

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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.