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Finding the Fourth Proportional to 259,545.72, 389,317.86 and 62,553.72

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Solution

The fourth proportional to 259,545.72, 389,317.86 and 62,553.72 is: 93,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,545.72 : 389,317.86 = 62,553.72 : x
  2. Step 2: Convert to fraction form
    259,545.72/389,317.86 = 62,553.72/x
  3. Step 3: Cross multiply
    259,545.72x = 389,317.86 × 62,553.72
  4. Step 4: Simplify right side
    259,545.72x = 24,353,280,405.44
  5. Step 5: Solve for x
    x = 24,353,280,405.44/259,545.72
  6. Step 6: Final answer
    x = 93,830.41

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1.5x scale

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.