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Finding the Fourth Proportional to 992,951.80, 1,489,427.70 and 594,820.60

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Solution

The fourth proportional to 992,951.80, 1,489,427.70 and 594,820.60 is: 892,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,951.80 : 1,489,427.70 = 594,820.60 : x
  2. Step 2: Convert to fraction form
    992,951.80/1,489,427.70 = 594,820.60/x
  3. Step 3: Cross multiply
    992,951.80x = 1,489,427.70 × 594,820.60
  4. Step 4: Simplify right side
    992,951.80x = 885,942,278,170.62
  5. Step 5: Solve for x
    x = 885,942,278,170.62/992,951.80
  6. Step 6: Final answer
    x = 892,230.90

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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.