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Finding the Fourth Proportional to 373,016.89, 559,587.30 and 148,379.49

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Solution

The fourth proportional to 373,016.89, 559,587.30 and 148,379.49 is: 222,593.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,016.89 : 559,587.30 = 148,379.49 : x
  2. Step 2: Convert to fraction form
    373,016.89/559,587.30 = 148,379.49/x
  3. Step 3: Cross multiply
    373,016.89x = 559,587.30 × 148,379.49
  4. Step 4: Simplify right side
    373,016.89x = 83,031,278,184.48
  5. Step 5: Solve for x
    x = 83,031,278,184.48/373,016.89
  6. Step 6: Final answer
    x = 222,593.89

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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.