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Finding the Fourth Proportional to 318,203.28, 477,304.72 and 93,565.56

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Solution

The fourth proportional to 318,203.28, 477,304.72 and 93,565.56 is: 140,348.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,203.28 : 477,304.72 = 93,565.56 : x
  2. Step 2: Convert to fraction form
    318,203.28/477,304.72 = 93,565.56/x
  3. Step 3: Cross multiply
    318,203.28x = 477,304.72 × 93,565.56
  4. Step 4: Simplify right side
    318,203.28x = 44,659,283,417.44
  5. Step 5: Solve for x
    x = 44,659,283,417.44/318,203.28
  6. Step 6: Final answer
    x = 140,348.28

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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.