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Finding the Fourth Proportional to 503,902.47, 695,385.36 and 277,547.97

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Solution

The fourth proportional to 503,902.47, 695,385.36 and 277,547.97 is: 383,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,902.47 : 695,385.36 = 277,547.97 : x
  2. Step 2: Convert to fraction form
    503,902.47/695,385.36 = 277,547.97/x
  3. Step 3: Cross multiply
    503,902.47x = 695,385.36 × 277,547.97
  4. Step 4: Simplify right side
    503,902.47x = 193,002,795,035.72
  5. Step 5: Solve for x
    x = 193,002,795,035.72/503,902.47
  6. Step 6: Final answer
    x = 383,016.17

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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.