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Finding the Fourth Proportional to 499,344.32, 749,017.44 and 125,367.36

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Solution

The fourth proportional to 499,344.32, 749,017.44 and 125,367.36 is: 188,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,344.32 : 749,017.44 = 125,367.36 : x
  2. Step 2: Convert to fraction form
    499,344.32/749,017.44 = 125,367.36/x
  3. Step 3: Cross multiply
    499,344.32x = 749,017.44 × 125,367.36
  4. Step 4: Simplify right side
    499,344.32x = 93,902,339,046.76
  5. Step 5: Solve for x
    x = 93,902,339,046.76/499,344.32
  6. Step 6: Final answer
    x = 188,051.28

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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.