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Finding the Fourth Proportional to 532,864.53, 799,690.46 and 252,381.78

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Solution

The fourth proportional to 532,864.53, 799,690.46 and 252,381.78 is: 378,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,864.53 : 799,690.46 = 252,381.78 : x
  2. Step 2: Convert to fraction form
    532,864.53/799,690.46 = 252,381.78/x
  3. Step 3: Cross multiply
    532,864.53x = 799,690.46 × 252,381.78
  4. Step 4: Simplify right side
    532,864.53x = 201,827,301,743.82
  5. Step 5: Solve for x
    x = 201,827,301,743.82/532,864.53
  6. Step 6: Final answer
    x = 378,759.12

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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.