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Finding the Fourth Proportional to 2,736,605.80, 4,103,531.70 and 843,101.20

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Solution

The fourth proportional to 2,736,605.80, 4,103,531.70 and 843,101.20 is: 1,264,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736,605.80 : 4,103,531.70 = 843,101.20 : x
  2. Step 2: Convert to fraction form
    2,736,605.80/4,103,531.70 = 843,101.20/x
  3. Step 3: Cross multiply
    2,736,605.80x = 4,103,531.70 × 843,101.20
  4. Step 4: Simplify right side
    2,736,605.80x = 3,459,692,500,508.04
  5. Step 5: Solve for x
    x = 3,459,692,500,508.04/2,736,605.80
  6. Step 6: Final answer
    x = 1,264,227.57

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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.