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Finding the Fourth Proportional to 525,660.60, 725,411.91 and 283,943.17

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Solution

The fourth proportional to 525,660.60, 725,411.91 and 283,943.17 is: 391,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,660.60 : 725,411.91 = 283,943.17 : x
  2. Step 2: Convert to fraction form
    525,660.60/725,411.91 = 283,943.17/x
  3. Step 3: Cross multiply
    525,660.60x = 725,411.91 × 283,943.17
  4. Step 4: Simplify right side
    525,660.60x = 205,975,759,252.71
  5. Step 5: Solve for x
    x = 205,975,759,252.71/525,660.60
  6. Step 6: Final answer
    x = 391,841.73

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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.