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Finding the Fourth Proportional to 592,612.00, 817,604.39 and 385,785.97

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Solution

The fourth proportional to 592,612.00, 817,604.39 and 385,785.97 is: 532,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,612.00 : 817,604.39 = 385,785.97 : x
  2. Step 2: Convert to fraction form
    592,612.00/817,604.39 = 385,785.97/x
  3. Step 3: Cross multiply
    592,612.00x = 817,604.39 × 385,785.97
  4. Step 4: Simplify right side
    592,612.00x = 315,420,304,658.88
  5. Step 5: Solve for x
    x = 315,420,304,658.88/592,612.00
  6. Step 6: Final answer
    x = 532,254.33

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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.