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Finding the Fourth Proportional to 704,954.62, 1,057,103.88 and 255,657.34

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Solution

The fourth proportional to 704,954.62, 1,057,103.88 and 255,657.34 is: 383,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,954.62 : 1,057,103.88 = 255,657.34 : x
  2. Step 2: Convert to fraction form
    704,954.62/1,057,103.88 = 255,657.34/x
  3. Step 3: Cross multiply
    704,954.62x = 1,057,103.88 × 255,657.34
  4. Step 4: Simplify right side
    704,954.62x = 270,256,366,064.48
  5. Step 5: Solve for x
    x = 270,256,366,064.48/704,954.62
  6. Step 6: Final answer
    x = 383,367.04

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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.