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Finding the Fourth Proportional to 220,260.60, 330,319.62 and 62,446.68

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Solution

The fourth proportional to 220,260.60, 330,319.62 and 62,446.68 is: 93,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,260.60 : 330,319.62 = 62,446.68 : x
  2. Step 2: Convert to fraction form
    220,260.60/330,319.62 = 62,446.68/x
  3. Step 3: Cross multiply
    220,260.60x = 330,319.62 × 62,446.68
  4. Step 4: Simplify right side
    220,260.60x = 20,627,363,607.86
  5. Step 5: Solve for x
    x = 20,627,363,607.86/220,260.60
  6. Step 6: Final answer
    x = 93,649.81

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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.