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Finding the Fourth Proportional to 478,593.26, 660,463.14 and 263,741

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Solution

The fourth proportional to 478,593.26, 660,463.14 and 263,741 is: 363,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,593.26 : 660,463.14 = 263,741 : x
  2. Step 2: Convert to fraction form
    478,593.26/660,463.14 = 263,741/x
  3. Step 3: Cross multiply
    478,593.26x = 660,463.14 × 263,741
  4. Step 4: Simplify right side
    478,593.26x = 174,191,209,006.74
  5. Step 5: Solve for x
    x = 174,191,209,006.74/478,593.26
  6. Step 6: Final answer
    x = 363,965.03

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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.