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Finding the Fourth Proportional to 293,462.40, 439,027.20 and 254,452.80

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Solution

The fourth proportional to 293,462.40, 439,027.20 and 254,452.80 is: 380,667.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,462.40 : 439,027.20 = 254,452.80 : x
  2. Step 2: Convert to fraction form
    293,462.40/439,027.20 = 254,452.80/x
  3. Step 3: Cross multiply
    293,462.40x = 439,027.20 × 254,452.80
  4. Step 4: Simplify right side
    293,462.40x = 111,711,700,316.16
  5. Step 5: Solve for x
    x = 111,711,700,316.16/293,462.40
  6. Step 6: Final answer
    x = 380,667.85

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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.