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Finding the Fourth Proportional to 574,411.71, 792,687.87 and 319,823.04

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Solution

The fourth proportional to 574,411.71, 792,687.87 and 319,823.04 is: 441,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,411.71 : 792,687.87 = 319,823.04 : x
  2. Step 2: Convert to fraction form
    574,411.71/792,687.87 = 319,823.04/x
  3. Step 3: Cross multiply
    574,411.71x = 792,687.87 × 319,823.04
  4. Step 4: Simplify right side
    574,411.71x = 253,519,844,354.53
  5. Step 5: Solve for x
    x = 253,519,844,354.53/574,411.71
  6. Step 6: Final answer
    x = 441,355.63

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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.