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Finding the Fourth Proportional to 637,083.08, 879,155.46 and 350,602.76

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Solution

The fourth proportional to 637,083.08, 879,155.46 and 350,602.76 is: 483,821.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,083.08 : 879,155.46 = 350,602.76 : x
  2. Step 2: Convert to fraction form
    637,083.08/879,155.46 = 350,602.76/x
  3. Step 3: Cross multiply
    637,083.08x = 879,155.46 × 350,602.76
  4. Step 4: Simplify right side
    637,083.08x = 308,234,330,745.07
  5. Step 5: Solve for x
    x = 308,234,330,745.07/637,083.08
  6. Step 6: Final answer
    x = 483,821.25

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Double scale
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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.