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Finding the Fourth Proportional to 517,797.10, 714,191.92 and 345,628.27

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Solution

The fourth proportional to 517,797.10, 714,191.92 and 345,628.27 is: 476,721.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,797.10 : 714,191.92 = 345,628.27 : x
  2. Step 2: Convert to fraction form
    517,797.10/714,191.92 = 345,628.27/x
  3. Step 3: Cross multiply
    517,797.10x = 714,191.92 × 345,628.27
  4. Step 4: Simplify right side
    517,797.10x = 246,844,917,757.58
  5. Step 5: Solve for x
    x = 246,844,917,757.58/517,797.10
  6. Step 6: Final answer
    x = 476,721.32

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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.