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Finding the Fourth Proportional to 332,143.60, 498,215.40 and 329,033.20

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Solution

The fourth proportional to 332,143.60, 498,215.40 and 329,033.20 is: 493,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,143.60 : 498,215.40 = 329,033.20 : x
  2. Step 2: Convert to fraction form
    332,143.60/498,215.40 = 329,033.20/x
  3. Step 3: Cross multiply
    332,143.60x = 498,215.40 × 329,033.20
  4. Step 4: Simplify right side
    332,143.60x = 163,929,407,351.28
  5. Step 5: Solve for x
    x = 163,929,407,351.28/332,143.60
  6. Step 6: Final answer
    x = 493,549.80

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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.