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Finding the Fourth Proportional to 277,244.52, 415,522.26 and 127,325.76

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Solution

The fourth proportional to 277,244.52, 415,522.26 and 127,325.76 is: 190,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,244.52 : 415,522.26 = 127,325.76 : x
  2. Step 2: Convert to fraction form
    277,244.52/415,522.26 = 127,325.76/x
  3. Step 3: Cross multiply
    277,244.52x = 415,522.26 × 127,325.76
  4. Step 4: Simplify right side
    277,244.52x = 52,906,687,551.42
  5. Step 5: Solve for x
    x = 52,906,687,551.42/277,244.52
  6. Step 6: Final answer
    x = 190,830.42

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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.