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Finding the Fourth Proportional to 277,843.60, 416,765.40 and 266,179.60

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Solution

The fourth proportional to 277,843.60, 416,765.40 and 266,179.60 is: 399,269.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,843.60 : 416,765.40 = 266,179.60 : x
  2. Step 2: Convert to fraction form
    277,843.60/416,765.40 = 266,179.60/x
  3. Step 3: Cross multiply
    277,843.60x = 416,765.40 × 266,179.60
  4. Step 4: Simplify right side
    277,843.60x = 110,934,447,465.84
  5. Step 5: Solve for x
    x = 110,934,447,465.84/277,843.60
  6. Step 6: Final answer
    x = 399,269.40

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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.