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Finding the Fourth Proportional to 499,772.16, 749,657.58 and 162,812.22

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Solution

The fourth proportional to 499,772.16, 749,657.58 and 162,812.22 is: 244,218.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,772.16 : 749,657.58 = 162,812.22 : x
  2. Step 2: Convert to fraction form
    499,772.16/749,657.58 = 162,812.22/x
  3. Step 3: Cross multiply
    499,772.16x = 749,657.58 × 162,812.22
  4. Step 4: Simplify right side
    499,772.16x = 122,053,414,839.63
  5. Step 5: Solve for x
    x = 122,053,414,839.63/499,772.16
  6. Step 6: Final answer
    x = 244,218.11

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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.