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Finding the Fourth Proportional to 614,656.76, 921,951.92 and 235,759.02

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Solution

The fourth proportional to 614,656.76, 921,951.92 and 235,759.02 is: 353,625.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,656.76 : 921,951.92 = 235,759.02 : x
  2. Step 2: Convert to fraction form
    614,656.76/921,951.92 = 235,759.02/x
  3. Step 3: Cross multiply
    614,656.76x = 921,951.92 × 235,759.02
  4. Step 4: Simplify right side
    614,656.76x = 217,358,481,146.32
  5. Step 5: Solve for x
    x = 217,358,481,146.32/614,656.76
  6. Step 6: Final answer
    x = 353,625.79

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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.