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Finding the Fourth Proportional to 555,305.20, 832,471.80 and 377,234.80

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Solution

The fourth proportional to 555,305.20, 832,471.80 and 377,234.80 is: 565,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,305.20 : 832,471.80 = 377,234.80 : x
  2. Step 2: Convert to fraction form
    555,305.20/832,471.80 = 377,234.80/x
  3. Step 3: Cross multiply
    555,305.20x = 832,471.80 × 377,234.80
  4. Step 4: Simplify right side
    555,305.20x = 314,037,332,978.64
  5. Step 5: Solve for x
    x = 314,037,332,978.64/555,305.20
  6. Step 6: Final answer
    x = 565,522.05

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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.