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Finding the Fourth Proportional to 372,891.20, 559,531.20 and 162,550.40

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Solution

The fourth proportional to 372,891.20, 559,531.20 and 162,550.40 is: 243,910.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,891.20 : 559,531.20 = 162,550.40 : x
  2. Step 2: Convert to fraction form
    372,891.20/559,531.20 = 162,550.40/x
  3. Step 3: Cross multiply
    372,891.20x = 559,531.20 × 162,550.40
  4. Step 4: Simplify right side
    372,891.20x = 90,952,020,372.48
  5. Step 5: Solve for x
    x = 90,952,020,372.48/372,891.20
  6. Step 6: Final answer
    x = 243,910.34

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1.5x scale

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.