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Finding the Fourth Proportional to 270,236.40, 372,926.32 and 147,729.32

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Solution

The fourth proportional to 270,236.40, 372,926.32 and 147,729.32 is: 203,866.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,236.40 : 372,926.32 = 147,729.32 : x
  2. Step 2: Convert to fraction form
    270,236.40/372,926.32 = 147,729.32/x
  3. Step 3: Cross multiply
    270,236.40x = 372,926.32 × 147,729.32
  4. Step 4: Simplify right side
    270,236.40x = 55,092,151,663.70
  5. Step 5: Solve for x
    x = 55,092,151,663.70/270,236.40
  6. Step 6: Final answer
    x = 203,866.51

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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.