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Finding the Fourth Proportional to 225,652.50, 338,478.75 and 59,440.50

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Solution

The fourth proportional to 225,652.50, 338,478.75 and 59,440.50 is: 89,160.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,652.50 : 338,478.75 = 59,440.50 : x
  2. Step 2: Convert to fraction form
    225,652.50/338,478.75 = 59,440.50/x
  3. Step 3: Cross multiply
    225,652.50x = 338,478.75 × 59,440.50
  4. Step 4: Simplify right side
    225,652.50x = 20,119,346,139.38
  5. Step 5: Solve for x
    x = 20,119,346,139.38/225,652.50
  6. Step 6: Final answer
    x = 89,160.75

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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.