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Finding the Fourth Proportional to 499,252.50, 748,730.97 and 144,269.82

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Solution

The fourth proportional to 499,252.50, 748,730.97 and 144,269.82 is: 216,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,252.50 : 748,730.97 = 144,269.82 : x
  2. Step 2: Convert to fraction form
    499,252.50/748,730.97 = 144,269.82/x
  3. Step 3: Cross multiply
    499,252.50x = 748,730.97 × 144,269.82
  4. Step 4: Simplify right side
    499,252.50x = 108,019,282,270.33
  5. Step 5: Solve for x
    x = 108,019,282,270.33/499,252.50
  6. Step 6: Final answer
    x = 216,362.03

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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.