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Finding the Fourth Proportional to 258,472.44, 386,734.68 and 232,250.28

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Solution

The fourth proportional to 258,472.44, 386,734.68 and 232,250.28 is: 347,500.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,472.44 : 386,734.68 = 232,250.28 : x
  2. Step 2: Convert to fraction form
    258,472.44/386,734.68 = 232,250.28/x
  3. Step 3: Cross multiply
    258,472.44x = 386,734.68 × 232,250.28
  4. Step 4: Simplify right side
    258,472.44x = 89,819,237,715.71
  5. Step 5: Solve for x
    x = 89,819,237,715.71/258,472.44
  6. Step 6: Final answer
    x = 347,500.25

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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.