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Finding the Fourth Proportional to 938,881.92, 1,295,634.24 and 536,448

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Solution

The fourth proportional to 938,881.92, 1,295,634.24 and 536,448 is: 740,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,881.92 : 1,295,634.24 = 536,448 : x
  2. Step 2: Convert to fraction form
    938,881.92/1,295,634.24 = 536,448/x
  3. Step 3: Cross multiply
    938,881.92x = 1,295,634.24 × 536,448
  4. Step 4: Simplify right side
    938,881.92x = 695,040,396,779.52
  5. Step 5: Solve for x
    x = 695,040,396,779.52/938,881.92
  6. Step 6: Final answer
    x = 740,285.21

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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.