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Finding the Fourth Proportional to 574,226.62, 861,274.32 and 153,535.30

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Solution

The fourth proportional to 574,226.62, 861,274.32 and 153,535.30 is: 230,285.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,226.62 : 861,274.32 = 153,535.30 : x
  2. Step 2: Convert to fraction form
    574,226.62/861,274.32 = 153,535.30/x
  3. Step 3: Cross multiply
    574,226.62x = 861,274.32 × 153,535.30
  4. Step 4: Simplify right side
    574,226.62x = 132,236,008,374.55
  5. Step 5: Solve for x
    x = 132,236,008,374.55/574,226.62
  6. Step 6: Final answer
    x = 230,285.40

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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.