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Finding the Fourth Proportional to 277,734.60, 416,601.90 and 253,240.20

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Solution

The fourth proportional to 277,734.60, 416,601.90 and 253,240.20 is: 379,860.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,734.60 : 416,601.90 = 253,240.20 : x
  2. Step 2: Convert to fraction form
    277,734.60/416,601.90 = 253,240.20/x
  3. Step 3: Cross multiply
    277,734.60x = 416,601.90 × 253,240.20
  4. Step 4: Simplify right side
    277,734.60x = 105,500,348,476.38
  5. Step 5: Solve for x
    x = 105,500,348,476.38/277,734.60
  6. Step 6: Final answer
    x = 379,860.30

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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.