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Finding the Fourth Proportional to 1,337,451.60, 1,845,667.80 and 733,839.60

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Solution

The fourth proportional to 1,337,451.60, 1,845,667.80 and 733,839.60 is: 1,012,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,451.60 : 1,845,667.80 = 733,839.60 : x
  2. Step 2: Convert to fraction form
    1,337,451.60/1,845,667.80 = 733,839.60/x
  3. Step 3: Cross multiply
    1,337,451.60x = 1,845,667.80 × 733,839.60
  4. Step 4: Simplify right side
    1,337,451.60x = 1,354,424,120,084.88
  5. Step 5: Solve for x
    x = 1,354,424,120,084.88/1,337,451.60
  6. Step 6: Final answer
    x = 1,012,690.19

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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.