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Finding the Fourth Proportional to 1,673,909.04, 2,309,945.76 and 948,823.44

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Solution

The fourth proportional to 1,673,909.04, 2,309,945.76 and 948,823.44 is: 1,309,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,909.04 : 2,309,945.76 = 948,823.44 : x
  2. Step 2: Convert to fraction form
    1,673,909.04/2,309,945.76 = 948,823.44/x
  3. Step 3: Cross multiply
    1,673,909.04x = 2,309,945.76 × 948,823.44
  4. Step 4: Simplify right side
    1,673,909.04x = 2,191,730,682,216.61
  5. Step 5: Solve for x
    x = 2,191,730,682,216.61/1,673,909.04
  6. Step 6: Final answer
    x = 1,309,348.73

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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.