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Finding the Fourth Proportional to 574,896.33, 861,690.55 and 349,760.50

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Solution

The fourth proportional to 574,896.33, 861,690.55 and 349,760.50 is: 524,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,896.33 : 861,690.55 = 349,760.50 : x
  2. Step 2: Convert to fraction form
    574,896.33/861,690.55 = 349,760.50/x
  3. Step 3: Cross multiply
    574,896.33x = 861,690.55 × 349,760.50
  4. Step 4: Simplify right side
    574,896.33x = 301,385,317,613.28
  5. Step 5: Solve for x
    x = 301,385,317,613.28/574,896.33
  6. Step 6: Final answer
    x = 524,242.90

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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.