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Finding the Fourth Proportional to 503,753, 695,179.14 and 277,397.96

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Solution

The fourth proportional to 503,753, 695,179.14 and 277,397.96 is: 382,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,753 : 695,179.14 = 277,397.96 : x
  2. Step 2: Convert to fraction form
    503,753/695,179.14 = 277,397.96/x
  3. Step 3: Cross multiply
    503,753x = 695,179.14 × 277,397.96
  4. Step 4: Simplify right side
    503,753x = 192,841,275,270.55
  5. Step 5: Solve for x
    x = 192,841,275,270.55/503,753
  6. Step 6: Final answer
    x = 382,809.18

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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.