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Finding the Fourth Proportional to 504,071.52, 695,618.28 and 277,717.04

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Solution

The fourth proportional to 504,071.52, 695,618.28 and 277,717.04 is: 383,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,071.52 : 695,618.28 = 277,717.04 : x
  2. Step 2: Convert to fraction form
    504,071.52/695,618.28 = 277,717.04/x
  3. Step 3: Cross multiply
    504,071.52x = 695,618.28 × 277,717.04
  4. Step 4: Simplify right side
    504,071.52x = 193,185,049,691.49
  5. Step 5: Solve for x
    x = 193,185,049,691.49/504,071.52
  6. Step 6: Final answer
    x = 383,249.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.