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Finding the Fourth Proportional to 662,766.70, 914,618.04 and 360,960.70

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Solution

The fourth proportional to 662,766.70, 914,618.04 and 360,960.70 is: 498,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,766.70 : 914,618.04 = 360,960.70 : x
  2. Step 2: Convert to fraction form
    662,766.70/914,618.04 = 360,960.70/x
  3. Step 3: Cross multiply
    662,766.70x = 914,618.04 × 360,960.70
  4. Step 4: Simplify right side
    662,766.70x = 330,141,167,951.03
  5. Step 5: Solve for x
    x = 330,141,167,951.03/662,766.70
  6. Step 6: Final answer
    x = 498,125.76

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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.