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Finding the Fourth Proportional to 499,560.40, 749,340.60 and 162,632.80

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Solution

The fourth proportional to 499,560.40, 749,340.60 and 162,632.80 is: 243,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,560.40 : 749,340.60 = 162,632.80 : x
  2. Step 2: Convert to fraction form
    499,560.40/749,340.60 = 162,632.80/x
  3. Step 3: Cross multiply
    499,560.40x = 749,340.60 × 162,632.80
  4. Step 4: Simplify right side
    499,560.40x = 121,867,359,931.68
  5. Step 5: Solve for x
    x = 121,867,359,931.68/499,560.40
  6. Step 6: Final answer
    x = 243,949.20

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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.