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Finding the Fourth Proportional to 504,616.17, 696,387.13 and 275,186.01

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Solution

The fourth proportional to 504,616.17, 696,387.13 and 275,186.01 is: 379,765.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,616.17 : 696,387.13 = 275,186.01 : x
  2. Step 2: Convert to fraction form
    504,616.17/696,387.13 = 275,186.01/x
  3. Step 3: Cross multiply
    504,616.17x = 696,387.13 × 275,186.01
  4. Step 4: Simplify right side
    504,616.17x = 191,635,999,191.46
  5. Step 5: Solve for x
    x = 191,635,999,191.46/504,616.17
  6. Step 6: Final answer
    x = 379,765.87

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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.