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Finding the Fourth Proportional to 662,486.73, 914,231.84 and 360,680.73

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Solution

The fourth proportional to 662,486.73, 914,231.84 and 360,680.73 is: 497,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,486.73 : 914,231.84 = 360,680.73 : x
  2. Step 2: Convert to fraction form
    662,486.73/914,231.84 = 360,680.73/x
  3. Step 3: Cross multiply
    662,486.73x = 914,231.84 × 360,680.73
  4. Step 4: Simplify right side
    662,486.73x = 329,745,806,538.74
  5. Step 5: Solve for x
    x = 329,745,806,538.74/662,486.73
  6. Step 6: Final answer
    x = 497,739.49

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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.