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Finding the Fourth Proportional to 516,532.07, 774,797.06 and 137,452.82

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Solution

The fourth proportional to 516,532.07, 774,797.06 and 137,452.82 is: 206,178.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,532.07 : 774,797.06 = 137,452.82 : x
  2. Step 2: Convert to fraction form
    516,532.07/774,797.06 = 137,452.82/x
  3. Step 3: Cross multiply
    516,532.07x = 774,797.06 × 137,452.82
  4. Step 4: Simplify right side
    516,532.07x = 106,498,037,294.36
  5. Step 5: Solve for x
    x = 106,498,037,294.36/516,532.07
  6. Step 6: Final answer
    x = 206,178.94

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1.5x scale

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.