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Finding the Fourth Proportional to 574,490.60, 861,390.30 and 294,554.60

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Solution

The fourth proportional to 574,490.60, 861,390.30 and 294,554.60 is: 441,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,490.60 : 861,390.30 = 294,554.60 : x
  2. Step 2: Convert to fraction form
    574,490.60/861,390.30 = 294,554.60/x
  3. Step 3: Cross multiply
    574,490.60x = 861,390.30 × 294,554.60
  4. Step 4: Simplify right side
    574,490.60x = 253,726,475,260.38
  5. Step 5: Solve for x
    x = 253,726,475,260.38/574,490.60
  6. Step 6: Final answer
    x = 441,654.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.