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Finding the Fourth Proportional to 982,486.40, 1,473,729.60 and 970,044.80

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Solution

The fourth proportional to 982,486.40, 1,473,729.60 and 970,044.80 is: 1,455,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,486.40 : 1,473,729.60 = 970,044.80 : x
  2. Step 2: Convert to fraction form
    982,486.40/1,473,729.60 = 970,044.80/x
  3. Step 3: Cross multiply
    982,486.40x = 1,473,729.60 × 970,044.80
  4. Step 4: Simplify right side
    982,486.40x = 1,429,583,735,086.08
  5. Step 5: Solve for x
    x = 1,429,583,735,086.08/982,486.40
  6. Step 6: Final answer
    x = 1,455,067.20

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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.