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Finding the Fourth Proportional to 574,567.07, 861,909.47 and 219,879.41

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Solution

The fourth proportional to 574,567.07, 861,909.47 and 219,879.41 is: 329,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,567.07 : 861,909.47 = 219,879.41 : x
  2. Step 2: Convert to fraction form
    574,567.07/861,909.47 = 219,879.41/x
  3. Step 3: Cross multiply
    574,567.07x = 861,909.47 × 219,879.41
  4. Step 4: Simplify right side
    574,567.07x = 189,516,145,737.01
  5. Step 5: Solve for x
    x = 189,516,145,737.01/574,567.07
  6. Step 6: Final answer
    x = 329,841.64

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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.