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Finding the Fourth Proportional to 498,429.27, 747,643.90 and 498,429.27

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Solution

The fourth proportional to 498,429.27, 747,643.90 and 498,429.27 is: 747,643.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,429.27 : 747,643.90 = 498,429.27 : x
  2. Step 2: Convert to fraction form
    498,429.27/747,643.90 = 498,429.27/x
  3. Step 3: Cross multiply
    498,429.27x = 747,643.90 × 498,429.27
  4. Step 4: Simplify right side
    498,429.27x = 372,647,599,558.73
  5. Step 5: Solve for x
    x = 372,647,599,558.73/498,429.27
  6. Step 6: Final answer
    x = 747,643.90

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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.