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Finding the Fourth Proportional to 475,422.08, 712,686.52 and 159,657.56

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Solution

The fourth proportional to 475,422.08, 712,686.52 and 159,657.56 is: 239,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,422.08 : 712,686.52 = 159,657.56 : x
  2. Step 2: Convert to fraction form
    475,422.08/712,686.52 = 159,657.56/x
  3. Step 3: Cross multiply
    475,422.08x = 712,686.52 × 159,657.56
  4. Step 4: Simplify right side
    475,422.08x = 113,785,790,828.09
  5. Step 5: Solve for x
    x = 113,785,790,828.09/475,422.08
  6. Step 6: Final answer
    x = 239,336.36

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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.