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Finding the Fourth Proportional to 498,884.29, 748,375.53 and 134,141.36

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Solution

The fourth proportional to 498,884.29, 748,375.53 and 134,141.36 is: 201,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,884.29 : 748,375.53 = 134,141.36 : x
  2. Step 2: Convert to fraction form
    498,884.29/748,375.53 = 134,141.36/x
  3. Step 3: Cross multiply
    498,884.29x = 748,375.53 × 134,141.36
  4. Step 4: Simplify right side
    498,884.29x = 100,388,111,384.92
  5. Step 5: Solve for x
    x = 100,388,111,384.92/498,884.29
  6. Step 6: Final answer
    x = 201,225.24

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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.