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Finding the Fourth Proportional to 247,064.77, 340,817.92 and 150,298.23

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Solution

The fourth proportional to 247,064.77, 340,817.92 and 150,298.23 is: 207,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,064.77 : 340,817.92 = 150,298.23 : x
  2. Step 2: Convert to fraction form
    247,064.77/340,817.92 = 150,298.23/x
  3. Step 3: Cross multiply
    247,064.77x = 340,817.92 × 150,298.23
  4. Step 4: Simplify right side
    247,064.77x = 51,224,327,672.70
  5. Step 5: Solve for x
    x = 51,224,327,672.70/247,064.77
  6. Step 6: Final answer
    x = 207,331.57

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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.