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Finding the Fourth Proportional to 332,607.70, 498,911.55 and 83,289.70

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Solution

The fourth proportional to 332,607.70, 498,911.55 and 83,289.70 is: 124,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,607.70 : 498,911.55 = 83,289.70 : x
  2. Step 2: Convert to fraction form
    332,607.70/498,911.55 = 83,289.70/x
  3. Step 3: Cross multiply
    332,607.70x = 498,911.55 × 83,289.70
  4. Step 4: Simplify right side
    332,607.70x = 41,554,193,326.04
  5. Step 5: Solve for x
    x = 41,554,193,326.04/332,607.70
  6. Step 6: Final answer
    x = 124,934.55

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Similar ratio
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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.