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Finding the Fourth Proportional to 332,287.60, 498,431.40 and 172,855.30

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Solution

The fourth proportional to 332,287.60, 498,431.40 and 172,855.30 is: 259,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,287.60 : 498,431.40 = 172,855.30 : x
  2. Step 2: Convert to fraction form
    332,287.60/498,431.40 = 172,855.30/x
  3. Step 3: Cross multiply
    332,287.60x = 498,431.40 × 172,855.30
  4. Step 4: Simplify right side
    332,287.60x = 86,156,509,176.42
  5. Step 5: Solve for x
    x = 86,156,509,176.42/332,287.60
  6. Step 6: Final answer
    x = 259,282.95

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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.