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Finding the Fourth Proportional to 1,265,869.98, 1,744,810.11 and 943,462.44

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Solution

The fourth proportional to 1,265,869.98, 1,744,810.11 and 943,462.44 is: 1,300,420.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,869.98 : 1,744,810.11 = 943,462.44 : x
  2. Step 2: Convert to fraction form
    1,265,869.98/1,744,810.11 = 943,462.44/x
  3. Step 3: Cross multiply
    1,265,869.98x = 1,744,810.11 × 943,462.44
  4. Step 4: Simplify right side
    1,265,869.98x = 1,646,162,803,717.27
  5. Step 5: Solve for x
    x = 1,646,162,803,717.27/1,265,869.98
  6. Step 6: Final answer
    x = 1,300,420.13

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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.