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Finding the Fourth Proportional to 499,109.52, 748,554 and 144,046.32

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Solution

The fourth proportional to 499,109.52, 748,554 and 144,046.32 is: 216,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,109.52 : 748,554 = 144,046.32 : x
  2. Step 2: Convert to fraction form
    499,109.52/748,554 = 144,046.32/x
  3. Step 3: Cross multiply
    499,109.52x = 748,554 × 144,046.32
  4. Step 4: Simplify right side
    499,109.52x = 107,826,449,021.28
  5. Step 5: Solve for x
    x = 107,826,449,021.28/499,109.52
  6. Step 6: Final answer
    x = 216,037.65

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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.