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Finding the Fourth Proportional to 373,314.30, 559,921.05 and 148,839.90

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Solution

The fourth proportional to 373,314.30, 559,921.05 and 148,839.90 is: 223,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,314.30 : 559,921.05 = 148,839.90 : x
  2. Step 2: Convert to fraction form
    373,314.30/559,921.05 = 148,839.90/x
  3. Step 3: Cross multiply
    373,314.30x = 559,921.05 × 148,839.90
  4. Step 4: Simplify right side
    373,314.30x = 83,338,593,089.90
  5. Step 5: Solve for x
    x = 83,338,593,089.90/373,314.30
  6. Step 6: Final answer
    x = 223,239.76

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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.