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Finding the Fourth Proportional to 499,395.42, 749,164.23 and 162,327.69

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Solution

The fourth proportional to 499,395.42, 749,164.23 and 162,327.69 is: 243,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,395.42 : 749,164.23 = 162,327.69 : x
  2. Step 2: Convert to fraction form
    499,395.42/749,164.23 = 162,327.69/x
  3. Step 3: Cross multiply
    499,395.42x = 749,164.23 × 162,327.69
  4. Step 4: Simplify right side
    499,395.42x = 121,610,098,886.53
  5. Step 5: Solve for x
    x = 121,610,098,886.53/499,395.42
  6. Step 6: Final answer
    x = 243,514.65

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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.