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Finding the Fourth Proportional to 1,294,405.22, 1,941,888.10 and 495,686.80

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Solution

The fourth proportional to 1,294,405.22, 1,941,888.10 and 495,686.80 is: 743,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,405.22 : 1,941,888.10 = 495,686.80 : x
  2. Step 2: Convert to fraction form
    1,294,405.22/1,941,888.10 = 495,686.80/x
  3. Step 3: Cross multiply
    1,294,405.22x = 1,941,888.10 × 495,686.80
  4. Step 4: Simplify right side
    1,294,405.22x = 962,568,298,247.08
  5. Step 5: Solve for x
    x = 962,568,298,247.08/1,294,405.22
  6. Step 6: Final answer
    x = 743,637.53

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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.