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Finding the Fourth Proportional to 499,287.04, 748,911.12 and 275,092

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Solution

The fourth proportional to 499,287.04, 748,911.12 and 275,092 is: 412,627.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,287.04 : 748,911.12 = 275,092 : x
  2. Step 2: Convert to fraction form
    499,287.04/748,911.12 = 275,092/x
  3. Step 3: Cross multiply
    499,287.04x = 748,911.12 × 275,092
  4. Step 4: Simplify right side
    499,287.04x = 206,019,457,823.04
  5. Step 5: Solve for x
    x = 206,019,457,823.04/499,287.04
  6. Step 6: Final answer
    x = 412,627.29

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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.