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Finding the Fourth Proportional to 574,576.80, 861,862.88 and 175,216.42

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Solution

The fourth proportional to 574,576.80, 861,862.88 and 175,216.42 is: 262,823.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,576.80 : 861,862.88 = 175,216.42 : x
  2. Step 2: Convert to fraction form
    574,576.80/861,862.88 = 175,216.42/x
  3. Step 3: Cross multiply
    574,576.80x = 861,862.88 × 175,216.42
  4. Step 4: Simplify right side
    574,576.80x = 151,012,529,879.86
  5. Step 5: Solve for x
    x = 151,012,529,879.86/574,576.80
  6. Step 6: Final answer
    x = 262,823.92

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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.