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Finding the Fourth Proportional to 662,788.56, 914,658.84 and 360,982.56

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Solution

The fourth proportional to 662,788.56, 914,658.84 and 360,982.56 is: 498,161.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,788.56 : 914,658.84 = 360,982.56 : x
  2. Step 2: Convert to fraction form
    662,788.56/914,658.84 = 360,982.56/x
  3. Step 3: Cross multiply
    662,788.56x = 914,658.84 × 360,982.56
  4. Step 4: Simplify right side
    662,788.56x = 330,175,889,589.83
  5. Step 5: Solve for x
    x = 330,175,889,589.83/662,788.56
  6. Step 6: Final answer
    x = 498,161.72

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1.5x scale

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.