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Finding the Fourth Proportional to 614,856.72, 922,435.14 and 235,770.68

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Solution

The fourth proportional to 614,856.72, 922,435.14 and 235,770.68 is: 353,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,856.72 : 922,435.14 = 235,770.68 : x
  2. Step 2: Convert to fraction form
    614,856.72/922,435.14 = 235,770.68/x
  3. Step 3: Cross multiply
    614,856.72x = 922,435.14 × 235,770.68
  4. Step 4: Simplify right side
    614,856.72x = 217,483,160,213.70
  5. Step 5: Solve for x
    x = 217,483,160,213.70/614,856.72
  6. Step 6: Final answer
    x = 353,713.56

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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.