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Finding the Fourth Proportional to 277,659.11, 416,488.69 and 67,297.05

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Solution

The fourth proportional to 277,659.11, 416,488.69 and 67,297.05 is: 100,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,659.11 : 416,488.69 = 67,297.05 : x
  2. Step 2: Convert to fraction form
    277,659.11/416,488.69 = 67,297.05/x
  3. Step 3: Cross multiply
    277,659.11x = 416,488.69 × 67,297.05
  4. Step 4: Simplify right side
    277,659.11x = 28,028,460,279.49
  5. Step 5: Solve for x
    x = 28,028,460,279.49/277,659.11
  6. Step 6: Final answer
    x = 100,945.58

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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.