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Finding the Fourth Proportional to 367,347.04, 551,020.56 and 145,731.04

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Solution

The fourth proportional to 367,347.04, 551,020.56 and 145,731.04 is: 218,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,347.04 : 551,020.56 = 145,731.04 : x
  2. Step 2: Convert to fraction form
    367,347.04/551,020.56 = 145,731.04/x
  3. Step 3: Cross multiply
    367,347.04x = 551,020.56 × 145,731.04
  4. Step 4: Simplify right side
    367,347.04x = 80,300,799,270.18
  5. Step 5: Solve for x
    x = 80,300,799,270.18/367,347.04
  6. Step 6: Final answer
    x = 218,596.56

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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.