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Finding the Fourth Proportional to 362,188.22, 499,842.39 and 209,232.86

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Solution

The fourth proportional to 362,188.22, 499,842.39 and 209,232.86 is: 288,754.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,188.22 : 499,842.39 = 209,232.86 : x
  2. Step 2: Convert to fraction form
    362,188.22/499,842.39 = 209,232.86/x
  3. Step 3: Cross multiply
    362,188.22x = 499,842.39 × 209,232.86
  4. Step 4: Simplify right side
    362,188.22x = 104,583,454,058.54
  5. Step 5: Solve for x
    x = 104,583,454,058.54/362,188.22
  6. Step 6: Final answer
    x = 288,754.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.