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Finding the Fourth Proportional to 662,713.80, 914,538.24 and 360,907.80

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Solution

The fourth proportional to 662,713.80, 914,538.24 and 360,907.80 is: 498,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,713.80 : 914,538.24 = 360,907.80 : x
  2. Step 2: Convert to fraction form
    662,713.80/914,538.24 = 360,907.80/x
  3. Step 3: Cross multiply
    662,713.80x = 914,538.24 × 360,907.80
  4. Step 4: Simplify right side
    662,713.80x = 330,063,984,214.27
  5. Step 5: Solve for x
    x = 330,063,984,214.27/662,713.80
  6. Step 6: Final answer
    x = 498,049.06

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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.