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Finding the Fourth Proportional to 225,215.53, 337,875.86 and 65,294.80

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Solution

The fourth proportional to 225,215.53, 337,875.86 and 65,294.80 is: 97,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,215.53 : 337,875.86 = 65,294.80 : x
  2. Step 2: Convert to fraction form
    225,215.53/337,875.86 = 65,294.80/x
  3. Step 3: Cross multiply
    225,215.53x = 337,875.86 × 65,294.80
  4. Step 4: Simplify right side
    225,215.53x = 22,061,534,687.67
  5. Step 5: Solve for x
    x = 22,061,534,687.67/225,215.53
  6. Step 6: Final answer
    x = 97,957.43

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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.