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Finding the Fourth Proportional to 565,937, 781,103.98 and 324,381.48

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Solution

The fourth proportional to 565,937, 781,103.98 and 324,381.48 is: 447,710.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,937 : 781,103.98 = 324,381.48 : x
  2. Step 2: Convert to fraction form
    565,937/781,103.98 = 324,381.48/x
  3. Step 3: Cross multiply
    565,937x = 781,103.98 × 324,381.48
  4. Step 4: Simplify right side
    565,937x = 253,375,665,066.29
  5. Step 5: Solve for x
    x = 253,375,665,066.29/565,937
  6. Step 6: Final answer
    x = 447,710.02

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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.