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Finding the Fourth Proportional to 332,538.30, 498,479.40 and 163,920.60

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Solution

The fourth proportional to 332,538.30, 498,479.40 and 163,920.60 is: 245,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,538.30 : 498,479.40 = 163,920.60 : x
  2. Step 2: Convert to fraction form
    332,538.30/498,479.40 = 163,920.60/x
  3. Step 3: Cross multiply
    332,538.30x = 498,479.40 × 163,920.60
  4. Step 4: Simplify right side
    332,538.30x = 81,711,042,335.64
  5. Step 5: Solve for x
    x = 81,711,042,335.64/332,538.30
  6. Step 6: Final answer
    x = 245,719.19

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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.