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Finding the Fourth Proportional to 574,385.96, 792,897.66 and 408,920.60

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Solution

The fourth proportional to 574,385.96, 792,897.66 and 408,920.60 is: 564,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,385.96 : 792,897.66 = 408,920.60 : x
  2. Step 2: Convert to fraction form
    574,385.96/792,897.66 = 408,920.60/x
  3. Step 3: Cross multiply
    574,385.96x = 792,897.66 × 408,920.60
  4. Step 4: Simplify right side
    574,385.96x = 324,232,186,865.80
  5. Step 5: Solve for x
    x = 324,232,186,865.80/574,385.96
  6. Step 6: Final answer
    x = 564,484.88

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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.