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Finding the Fourth Proportional to 558,937.04, 771,201.96 and 317,164.88

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Solution

The fourth proportional to 558,937.04, 771,201.96 and 317,164.88 is: 437,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,937.04 : 771,201.96 = 317,164.88 : x
  2. Step 2: Convert to fraction form
    558,937.04/771,201.96 = 317,164.88/x
  3. Step 3: Cross multiply
    558,937.04x = 771,201.96 × 317,164.88
  4. Step 4: Simplify right side
    558,937.04x = 244,598,177,099.17
  5. Step 5: Solve for x
    x = 244,598,177,099.17/558,937.04
  6. Step 6: Final answer
    x = 437,613.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.