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Finding the Fourth Proportional to 277,598.60, 416,335.58 and 127,694.92

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Solution

The fourth proportional to 277,598.60, 416,335.58 and 127,694.92 is: 191,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,598.60 : 416,335.58 = 127,694.92 : x
  2. Step 2: Convert to fraction form
    277,598.60/416,335.58 = 127,694.92/x
  3. Step 3: Cross multiply
    277,598.60x = 416,335.58 × 127,694.92
  4. Step 4: Simplify right side
    277,598.60x = 53,163,938,581.25
  5. Step 5: Solve for x
    x = 53,163,938,581.25/277,598.60
  6. Step 6: Final answer
    x = 191,513.71

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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.