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Finding the Fourth Proportional to 532,864.75, 799,690.79 and 252,382

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Solution

The fourth proportional to 532,864.75, 799,690.79 and 252,382 is: 378,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,864.75 : 799,690.79 = 252,382 : x
  2. Step 2: Convert to fraction form
    532,864.75/799,690.79 = 252,382/x
  3. Step 3: Cross multiply
    532,864.75x = 799,690.79 × 252,382
  4. Step 4: Simplify right side
    532,864.75x = 201,827,559,699.87
  5. Step 5: Solve for x
    x = 201,827,559,699.87/532,864.75
  6. Step 6: Final answer
    x = 378,759.45

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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.