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Finding the Fourth Proportional to 332,557.80, 498,836.70 and 297,306.60

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Solution

The fourth proportional to 332,557.80, 498,836.70 and 297,306.60 is: 445,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,557.80 : 498,836.70 = 297,306.60 : x
  2. Step 2: Convert to fraction form
    332,557.80/498,836.70 = 297,306.60/x
  3. Step 3: Cross multiply
    332,557.80x = 498,836.70 × 297,306.60
  4. Step 4: Simplify right side
    332,557.80x = 148,307,443,232.22
  5. Step 5: Solve for x
    x = 148,307,443,232.22/332,557.80
  6. Step 6: Final answer
    x = 445,959.90

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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.