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Finding the Fourth Proportional to 998,558.40, 1,495,994.40 and 932,203.20

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Solution

The fourth proportional to 998,558.40, 1,495,994.40 and 932,203.20 is: 1,396,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,558.40 : 1,495,994.40 = 932,203.20 : x
  2. Step 2: Convert to fraction form
    998,558.40/1,495,994.40 = 932,203.20/x
  3. Step 3: Cross multiply
    998,558.40x = 1,495,994.40 × 932,203.20
  4. Step 4: Simplify right side
    998,558.40x = 1,394,570,766,862.08
  5. Step 5: Solve for x
    x = 1,394,570,766,862.08/998,558.40
  6. Step 6: Final answer
    x = 1,396,584.08

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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.