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Finding the Fourth Proportional to 268,077.60, 401,503.77 and 127,934.64

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Solution

The fourth proportional to 268,077.60, 401,503.77 and 127,934.64 is: 191,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,077.60 : 401,503.77 = 127,934.64 : x
  2. Step 2: Convert to fraction form
    268,077.60/401,503.77 = 127,934.64/x
  3. Step 3: Cross multiply
    268,077.60x = 401,503.77 × 127,934.64
  4. Step 4: Simplify right side
    268,077.60x = 51,366,240,273.59
  5. Step 5: Solve for x
    x = 51,366,240,273.59/268,077.60
  6. Step 6: Final answer
    x = 191,609.59

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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.