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Finding the Fourth Proportional to 566,306.56, 781,327.08 and 321,250.98

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Solution

The fourth proportional to 566,306.56, 781,327.08 and 321,250.98 is: 443,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,306.56 : 781,327.08 = 321,250.98 : x
  2. Step 2: Convert to fraction form
    566,306.56/781,327.08 = 321,250.98/x
  3. Step 3: Cross multiply
    566,306.56x = 781,327.08 × 321,250.98
  4. Step 4: Simplify right side
    566,306.56x = 251,002,090,150.54
  5. Step 5: Solve for x
    x = 251,002,090,150.54/566,306.56
  6. Step 6: Final answer
    x = 443,226.53

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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.