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Finding the Fourth Proportional to 525,233.33, 724,812.14 and 321,269.27

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Solution

The fourth proportional to 525,233.33, 724,812.14 and 321,269.27 is: 443,345.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,233.33 : 724,812.14 = 321,269.27 : x
  2. Step 2: Convert to fraction form
    525,233.33/724,812.14 = 321,269.27/x
  3. Step 3: Cross multiply
    525,233.33x = 724,812.14 × 321,269.27
  4. Step 4: Simplify right side
    525,233.33x = 232,859,861,874.53
  5. Step 5: Solve for x
    x = 232,859,861,874.53/525,233.33
  6. Step 6: Final answer
    x = 443,345.56

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1.5x scale

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.