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Finding the Fourth Proportional to 479,712.97, 661,999.66 and 264,848.46

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Solution

The fourth proportional to 479,712.97, 661,999.66 and 264,848.46 is: 365,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,712.97 : 661,999.66 = 264,848.46 : x
  2. Step 2: Convert to fraction form
    479,712.97/661,999.66 = 264,848.46/x
  3. Step 3: Cross multiply
    479,712.97x = 661,999.66 × 264,848.46
  4. Step 4: Simplify right side
    479,712.97x = 175,329,590,471.52
  5. Step 5: Solve for x
    x = 175,329,590,471.52/479,712.97
  6. Step 6: Final answer
    x = 365,488.53

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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.