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Finding the Fourth Proportional to 600,797.58, 830,001.12 and 394,555.28

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Solution

The fourth proportional to 600,797.58, 830,001.12 and 394,555.28 is: 545,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,797.58 : 830,001.12 = 394,555.28 : x
  2. Step 2: Convert to fraction form
    600,797.58/830,001.12 = 394,555.28/x
  3. Step 3: Cross multiply
    600,797.58x = 830,001.12 × 394,555.28
  4. Step 4: Simplify right side
    600,797.58x = 327,481,324,301.91
  5. Step 5: Solve for x
    x = 327,481,324,301.91/600,797.58
  6. Step 6: Final answer
    x = 545,077.64

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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.