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Finding the Fourth Proportional to 539,545.14, 744,870.60 and 324,738

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Solution

The fourth proportional to 539,545.14, 744,870.60 and 324,738 is: 448,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,545.14 : 744,870.60 = 324,738 : x
  2. Step 2: Convert to fraction form
    539,545.14/744,870.60 = 324,738/x
  3. Step 3: Cross multiply
    539,545.14x = 744,870.60 × 324,738
  4. Step 4: Simplify right side
    539,545.14x = 241,887,788,902.80
  5. Step 5: Solve for x
    x = 241,887,788,902.80/539,545.14
  6. Step 6: Final answer
    x = 448,317.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.