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Finding the Fourth Proportional to 367,008.60, 550,512.90 and 340,436.55

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Solution

The fourth proportional to 367,008.60, 550,512.90 and 340,436.55 is: 510,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,008.60 : 550,512.90 = 340,436.55 : x
  2. Step 2: Convert to fraction form
    367,008.60/550,512.90 = 340,436.55/x
  3. Step 3: Cross multiply
    367,008.60x = 550,512.90 × 340,436.55
  4. Step 4: Simplify right side
    367,008.60x = 187,414,712,406.50
  5. Step 5: Solve for x
    x = 187,414,712,406.50/367,008.60
  6. Step 6: Final answer
    x = 510,654.83

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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.