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Finding the Fourth Proportional to 266,698.80, 367,410.60 and 185,979.60

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Solution

The fourth proportional to 266,698.80, 367,410.60 and 185,979.60 is: 256,209.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,698.80 : 367,410.60 = 185,979.60 : x
  2. Step 2: Convert to fraction form
    266,698.80/367,410.60 = 185,979.60/x
  3. Step 3: Cross multiply
    266,698.80x = 367,410.60 × 185,979.60
  4. Step 4: Simplify right side
    266,698.80x = 68,330,876,423.76
  5. Step 5: Solve for x
    x = 68,330,876,423.76/266,698.80
  6. Step 6: Final answer
    x = 256,209.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.