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Finding the Fourth Proportional to 606,132.12, 836,820.72 and 538,878

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Solution

The fourth proportional to 606,132.12, 836,820.72 and 538,878 is: 743,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,132.12 : 836,820.72 = 538,878 : x
  2. Step 2: Convert to fraction form
    606,132.12/836,820.72 = 538,878/x
  3. Step 3: Cross multiply
    606,132.12x = 836,820.72 × 538,878
  4. Step 4: Simplify right side
    606,132.12x = 450,944,275,952.16
  5. Step 5: Solve for x
    x = 450,944,275,952.16/606,132.12
  6. Step 6: Final answer
    x = 743,970.27

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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.