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Finding the Fourth Proportional to 277,512.20, 416,268.30 and 202,279.40

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Solution

The fourth proportional to 277,512.20, 416,268.30 and 202,279.40 is: 303,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,512.20 : 416,268.30 = 202,279.40 : x
  2. Step 2: Convert to fraction form
    277,512.20/416,268.30 = 202,279.40/x
  3. Step 3: Cross multiply
    277,512.20x = 416,268.30 × 202,279.40
  4. Step 4: Simplify right side
    277,512.20x = 84,202,501,963.02
  5. Step 5: Solve for x
    x = 84,202,501,963.02/277,512.20
  6. Step 6: Final answer
    x = 303,419.10

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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.