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Finding the Fourth Proportional to 600,373.31, 900,913.55 and 221,560.61

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Solution

The fourth proportional to 600,373.31, 900,913.55 and 221,560.61 is: 332,471.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,373.31 : 900,913.55 = 221,560.61 : x
  2. Step 2: Convert to fraction form
    600,373.31/900,913.55 = 221,560.61/x
  3. Step 3: Cross multiply
    600,373.31x = 900,913.55 × 221,560.61
  4. Step 4: Simplify right side
    600,373.31x = 199,606,951,744.60
  5. Step 5: Solve for x
    x = 199,606,951,744.60/600,373.31
  6. Step 6: Final answer
    x = 332,471.40

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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.