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Finding the Fourth Proportional to 230,439.40, 345,717.40 and 64,227.40

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Solution

The fourth proportional to 230,439.40, 345,717.40 and 64,227.40 is: 96,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,439.40 : 345,717.40 = 64,227.40 : x
  2. Step 2: Convert to fraction form
    230,439.40/345,717.40 = 64,227.40/x
  3. Step 3: Cross multiply
    230,439.40x = 345,717.40 × 64,227.40
  4. Step 4: Simplify right side
    230,439.40x = 22,204,529,736.76
  5. Step 5: Solve for x
    x = 22,204,529,736.76/230,439.40
  6. Step 6: Final answer
    x = 96,357.35

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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.