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Finding the Fourth Proportional to 499,306.74, 748,886.25 and 183,689.82

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Solution

The fourth proportional to 499,306.74, 748,886.25 and 183,689.82 is: 275,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,306.74 : 748,886.25 = 183,689.82 : x
  2. Step 2: Convert to fraction form
    499,306.74/748,886.25 = 183,689.82/x
  3. Step 3: Cross multiply
    499,306.74x = 748,886.25 × 183,689.82
  4. Step 4: Simplify right side
    499,306.74x = 137,562,780,462.98
  5. Step 5: Solve for x
    x = 137,562,780,462.98/499,306.74
  6. Step 6: Final answer
    x = 275,507.56

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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.