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Finding the Fourth Proportional to 769,708.88, 1,062,166.88 and 425,522.91

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Solution

The fourth proportional to 769,708.88, 1,062,166.88 and 425,522.91 is: 587,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,708.88 : 1,062,166.88 = 425,522.91 : x
  2. Step 2: Convert to fraction form
    769,708.88/1,062,166.88 = 425,522.91/x
  3. Step 3: Cross multiply
    769,708.88x = 1,062,166.88 × 425,522.91
  4. Step 4: Simplify right side
    769,708.88x = 451,976,335,308.58
  5. Step 5: Solve for x
    x = 451,976,335,308.58/769,708.88
  6. Step 6: Final answer
    x = 587,204.26

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1.5x scale

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.