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Finding the Fourth Proportional to 698,098.64, 963,271.17 and 392,116.41

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Solution

The fourth proportional to 698,098.64, 963,271.17 and 392,116.41 is: 541,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,098.64 : 963,271.17 = 392,116.41 : x
  2. Step 2: Convert to fraction form
    698,098.64/963,271.17 = 392,116.41/x
  3. Step 3: Cross multiply
    698,098.64x = 963,271.17 × 392,116.41
  4. Step 4: Simplify right side
    698,098.64x = 377,714,433,036.90
  5. Step 5: Solve for x
    x = 377,714,433,036.90/698,098.64
  6. Step 6: Final answer
    x = 541,061.70

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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.