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Finding the Fourth Proportional to 574,394.25, 861,590.98 and 258,482.10

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Solution

The fourth proportional to 574,394.25, 861,590.98 and 258,482.10 is: 387,722.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,394.25 : 861,590.98 = 258,482.10 : x
  2. Step 2: Convert to fraction form
    574,394.25/861,590.98 = 258,482.10/x
  3. Step 3: Cross multiply
    574,394.25x = 861,590.98 × 258,482.10
  4. Step 4: Simplify right side
    574,394.25x = 222,705,847,951.57
  5. Step 5: Solve for x
    x = 222,705,847,951.57/574,394.25
  6. Step 6: Final answer
    x = 387,722.97

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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.