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Finding the Fourth Proportional to 332,567.70, 498,851.55 and 132,918.90

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Solution

The fourth proportional to 332,567.70, 498,851.55 and 132,918.90 is: 199,378.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,567.70 : 498,851.55 = 132,918.90 : x
  2. Step 2: Convert to fraction form
    332,567.70/498,851.55 = 132,918.90/x
  3. Step 3: Cross multiply
    332,567.70x = 498,851.55 × 132,918.90
  4. Step 4: Simplify right side
    332,567.70x = 66,306,799,289.30
  5. Step 5: Solve for x
    x = 66,306,799,289.30/332,567.70
  6. Step 6: Final answer
    x = 199,378.35

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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.