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Finding the Fourth Proportional to 366,972.60, 550,458.90 and 117,679.80

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Solution

The fourth proportional to 366,972.60, 550,458.90 and 117,679.80 is: 176,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,972.60 : 550,458.90 = 117,679.80 : x
  2. Step 2: Convert to fraction form
    366,972.60/550,458.90 = 117,679.80/x
  3. Step 3: Cross multiply
    366,972.60x = 550,458.90 × 117,679.80
  4. Step 4: Simplify right side
    366,972.60x = 64,777,893,260.22
  5. Step 5: Solve for x
    x = 64,777,893,260.22/366,972.60
  6. Step 6: Final answer
    x = 176,519.70

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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.