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Finding the Fourth Proportional to 506,377.92, 698,887.46 and 291,642.32

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Solution

The fourth proportional to 506,377.92, 698,887.46 and 291,642.32 is: 402,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,377.92 : 698,887.46 = 291,642.32 : x
  2. Step 2: Convert to fraction form
    506,377.92/698,887.46 = 291,642.32/x
  3. Step 3: Cross multiply
    506,377.92x = 698,887.46 × 291,642.32
  4. Step 4: Simplify right side
    506,377.92x = 203,825,160,253.31
  5. Step 5: Solve for x
    x = 203,825,160,253.31/506,377.92
  6. Step 6: Final answer
    x = 402,515.89

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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.