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Finding the Fourth Proportional to 441,399.50, 662,146.41 and 157,115.48

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Solution

The fourth proportional to 441,399.50, 662,146.41 and 157,115.48 is: 235,690.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,399.50 : 662,146.41 = 157,115.48 : x
  2. Step 2: Convert to fraction form
    441,399.50/662,146.41 = 157,115.48/x
  3. Step 3: Cross multiply
    441,399.50x = 662,146.41 × 157,115.48
  4. Step 4: Simplify right side
    441,399.50x = 104,033,447,726.70
  5. Step 5: Solve for x
    x = 104,033,447,726.70/441,399.50
  6. Step 6: Final answer
    x = 235,690.00

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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.