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Finding the Fourth Proportional to 503,897.10, 695,377.96 and 277,542.60

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Solution

The fourth proportional to 503,897.10, 695,377.96 and 277,542.60 is: 383,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,897.10 : 695,377.96 = 277,542.60 : x
  2. Step 2: Convert to fraction form
    503,897.10/695,377.96 = 277,542.60/x
  3. Step 3: Cross multiply
    503,897.10x = 695,377.96 × 277,542.60
  4. Step 4: Simplify right side
    503,897.10x = 192,997,007,001.10
  5. Step 5: Solve for x
    x = 192,997,007,001.10/503,897.10
  6. Step 6: Final answer
    x = 383,008.77

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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.