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Finding the Fourth Proportional to 310,561.20, 465,841.44 and 97,330.56

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Solution

The fourth proportional to 310,561.20, 465,841.44 and 97,330.56 is: 145,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,561.20 : 465,841.44 = 97,330.56 : x
  2. Step 2: Convert to fraction form
    310,561.20/465,841.44 = 97,330.56/x
  3. Step 3: Cross multiply
    310,561.20x = 465,841.44 × 97,330.56
  4. Step 4: Simplify right side
    310,561.20x = 45,340,608,226.41
  5. Step 5: Solve for x
    x = 45,340,608,226.41/310,561.20
  6. Step 6: Final answer
    x = 145,995.73

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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.