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Finding the Fourth Proportional to 373,079.70, 559,619.55 and 268,881.30

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Solution

The fourth proportional to 373,079.70, 559,619.55 and 268,881.30 is: 403,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,079.70 : 559,619.55 = 268,881.30 : x
  2. Step 2: Convert to fraction form
    373,079.70/559,619.55 = 268,881.30/x
  3. Step 3: Cross multiply
    373,079.70x = 559,619.55 × 268,881.30
  4. Step 4: Simplify right side
    373,079.70x = 150,471,232,109.42
  5. Step 5: Solve for x
    x = 150,471,232,109.42/373,079.70
  6. Step 6: Final answer
    x = 403,321.95

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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.