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Finding the Fourth Proportional to 498,437.56, 746,890.62 and 338,305.24

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Solution

The fourth proportional to 498,437.56, 746,890.62 and 338,305.24 is: 506,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,437.56 : 746,890.62 = 338,305.24 : x
  2. Step 2: Convert to fraction form
    498,437.56/746,890.62 = 338,305.24/x
  3. Step 3: Cross multiply
    498,437.56x = 746,890.62 × 338,305.24
  4. Step 4: Simplify right side
    498,437.56x = 252,677,010,452.85
  5. Step 5: Solve for x
    x = 252,677,010,452.85/498,437.56
  6. Step 6: Final answer
    x = 506,938.14

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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.