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Finding the Fourth Proportional to 585,966.72, 808,650 and 331,356

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Solution

The fourth proportional to 585,966.72, 808,650 and 331,356 is: 457,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,966.72 : 808,650 = 331,356 : x
  2. Step 2: Convert to fraction form
    585,966.72/808,650 = 331,356/x
  3. Step 3: Cross multiply
    585,966.72x = 808,650 × 331,356
  4. Step 4: Simplify right side
    585,966.72x = 267,951,029,400
  5. Step 5: Solve for x
    x = 267,951,029,400/585,966.72
  6. Step 6: Final answer
    x = 457,280.29

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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.