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Finding the Fourth Proportional to 412,532.27, 618,798.95 and 113,015.47

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Solution

The fourth proportional to 412,532.27, 618,798.95 and 113,015.47 is: 169,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,532.27 : 618,798.95 = 113,015.47 : x
  2. Step 2: Convert to fraction form
    412,532.27/618,798.95 = 113,015.47/x
  3. Step 3: Cross multiply
    412,532.27x = 618,798.95 × 113,015.47
  4. Step 4: Simplify right side
    412,532.27x = 69,933,850,510.68
  5. Step 5: Solve for x
    x = 69,933,850,510.68/412,532.27
  6. Step 6: Final answer
    x = 169,523.35

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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.