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Finding the Fourth Proportional to 367,062.30, 550,794.06 and 142,431.55

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Solution

The fourth proportional to 367,062.30, 550,794.06 and 142,431.55 is: 213,725.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,062.30 : 550,794.06 = 142,431.55 : x
  2. Step 2: Convert to fraction form
    367,062.30/550,794.06 = 142,431.55/x
  3. Step 3: Cross multiply
    367,062.30x = 550,794.06 × 142,431.55
  4. Step 4: Simplify right side
    367,062.30x = 78,450,450,319.61
  5. Step 5: Solve for x
    x = 78,450,450,319.61/367,062.30
  6. Step 6: Final answer
    x = 213,725.16

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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.