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Finding the Fourth Proportional to 658,176.55, 987,264.83 and 373,757.20

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Solution

The fourth proportional to 658,176.55, 987,264.83 and 373,757.20 is: 560,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,176.55 : 987,264.83 = 373,757.20 : x
  2. Step 2: Convert to fraction form
    658,176.55/987,264.83 = 373,757.20/x
  3. Step 3: Cross multiply
    658,176.55x = 987,264.83 × 373,757.20
  4. Step 4: Simplify right side
    658,176.55x = 368,997,336,650.49
  5. Step 5: Solve for x
    x = 368,997,336,650.49/658,176.55
  6. Step 6: Final answer
    x = 560,635.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.