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Finding the Fourth Proportional to 360,770.78, 497,829.76 and 244,247.20

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Solution

The fourth proportional to 360,770.78, 497,829.76 and 244,247.20 is: 337,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,770.78 : 497,829.76 = 244,247.20 : x
  2. Step 2: Convert to fraction form
    360,770.78/497,829.76 = 244,247.20/x
  3. Step 3: Cross multiply
    360,770.78x = 497,829.76 × 244,247.20
  4. Step 4: Simplify right side
    360,770.78x = 121,593,524,956.67
  5. Step 5: Solve for x
    x = 121,593,524,956.67/360,770.78
  6. Step 6: Final answer
    x = 337,038.17

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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.