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Finding the Fourth Proportional to 285,793.02, 428,778.36 and 117,327.06

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Solution

The fourth proportional to 285,793.02, 428,778.36 and 117,327.06 is: 176,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,793.02 : 428,778.36 = 117,327.06 : x
  2. Step 2: Convert to fraction form
    285,793.02/428,778.36 = 117,327.06/x
  3. Step 3: Cross multiply
    285,793.02x = 428,778.36 × 117,327.06
  4. Step 4: Simplify right side
    285,793.02x = 50,307,304,370.42
  5. Step 5: Solve for x
    x = 50,307,304,370.42/285,793.02
  6. Step 6: Final answer
    x = 176,027.06

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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.