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Finding the Fourth Proportional to 498,425.10, 746,746.65 and 303,323.10

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Solution

The fourth proportional to 498,425.10, 746,746.65 and 303,323.10 is: 454,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,425.10 : 746,746.65 = 303,323.10 : x
  2. Step 2: Convert to fraction form
    498,425.10/746,746.65 = 303,323.10/x
  3. Step 3: Cross multiply
    498,425.10x = 746,746.65 × 303,323.10
  4. Step 4: Simplify right side
    498,425.10x = 226,505,508,792.62
  5. Step 5: Solve for x
    x = 226,505,508,792.62/498,425.10
  6. Step 6: Final answer
    x = 454,442.42

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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.