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Finding the Fourth Proportional to 499,591.63, 749,396.71 and 162,631.13

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Solution

The fourth proportional to 499,591.63, 749,396.71 and 162,631.13 is: 243,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,591.63 : 749,396.71 = 162,631.13 : x
  2. Step 2: Convert to fraction form
    499,591.63/749,396.71 = 162,631.13/x
  3. Step 3: Cross multiply
    499,591.63x = 749,396.71 × 162,631.13
  4. Step 4: Simplify right side
    499,591.63x = 121,875,230,221.89
  5. Step 5: Solve for x
    x = 121,875,230,221.89/499,591.63
  6. Step 6: Final answer
    x = 243,949.70

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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.