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Finding the Fourth Proportional to 665,366.40, 998,049.60 and 532,506.15

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Solution

The fourth proportional to 665,366.40, 998,049.60 and 532,506.15 is: 798,759.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,366.40 : 998,049.60 = 532,506.15 : x
  2. Step 2: Convert to fraction form
    665,366.40/998,049.60 = 532,506.15/x
  3. Step 3: Cross multiply
    665,366.40x = 998,049.60 × 532,506.15
  4. Step 4: Simplify right side
    665,366.40x = 531,467,550,005.04
  5. Step 5: Solve for x
    x = 531,467,550,005.04/665,366.40
  6. Step 6: Final answer
    x = 798,759.23

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.