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Finding the Fourth Proportional to 222,040.35, 332,480.80 and 145,899.49

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Solution

The fourth proportional to 222,040.35, 332,480.80 and 145,899.49 is: 218,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,040.35 : 332,480.80 = 145,899.49 : x
  2. Step 2: Convert to fraction form
    222,040.35/332,480.80 = 145,899.49/x
  3. Step 3: Cross multiply
    222,040.35x = 332,480.80 × 145,899.49
  4. Step 4: Simplify right side
    222,040.35x = 48,508,779,154.79
  5. Step 5: Solve for x
    x = 48,508,779,154.79/222,040.35
  6. Step 6: Final answer
    x = 218,468.31

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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.