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Finding the Fourth Proportional to 499,247.88, 748,842.66 and 144,254.04

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Solution

The fourth proportional to 499,247.88, 748,842.66 and 144,254.04 is: 216,372.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,247.88 : 748,842.66 = 144,254.04 : x
  2. Step 2: Convert to fraction form
    499,247.88/748,842.66 = 144,254.04/x
  3. Step 3: Cross multiply
    499,247.88x = 748,842.66 × 144,254.04
  4. Step 4: Simplify right side
    499,247.88x = 108,023,579,029.35
  5. Step 5: Solve for x
    x = 108,023,579,029.35/499,247.88
  6. Step 6: Final answer
    x = 216,372.63

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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.