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Finding the Fourth Proportional to 291,793.82, 437,690.75 and 225,330.89

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Solution

The fourth proportional to 291,793.82, 437,690.75 and 225,330.89 is: 337,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,793.82 : 437,690.75 = 225,330.89 : x
  2. Step 2: Convert to fraction form
    291,793.82/437,690.75 = 225,330.89/x
  3. Step 3: Cross multiply
    291,793.82x = 437,690.75 × 225,330.89
  4. Step 4: Simplify right side
    291,793.82x = 98,625,242,927.16
  5. Step 5: Solve for x
    x = 98,625,242,927.16/291,793.82
  6. Step 6: Final answer
    x = 337,996.34

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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.