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Finding the Fourth Proportional to 365,279.60, 548,005.80 and 115,961.60

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Solution

The fourth proportional to 365,279.60, 548,005.80 and 115,961.60 is: 173,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,279.60 : 548,005.80 = 115,961.60 : x
  2. Step 2: Convert to fraction form
    365,279.60/548,005.80 = 115,961.60/x
  3. Step 3: Cross multiply
    365,279.60x = 548,005.80 × 115,961.60
  4. Step 4: Simplify right side
    365,279.60x = 63,547,629,377.28
  5. Step 5: Solve for x
    x = 63,547,629,377.28/365,279.60
  6. Step 6: Final answer
    x = 173,969.83

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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.