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Finding the Fourth Proportional to 360,052.57, 496,857.54 and 207,079.21

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Solution

The fourth proportional to 360,052.57, 496,857.54 and 207,079.21 is: 285,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,052.57 : 496,857.54 = 207,079.21 : x
  2. Step 2: Convert to fraction form
    360,052.57/496,857.54 = 207,079.21/x
  3. Step 3: Cross multiply
    360,052.57x = 496,857.54 × 207,079.21
  4. Step 4: Simplify right side
    360,052.57x = 102,888,866,865.74
  5. Step 5: Solve for x
    x = 102,888,866,865.74/360,052.57
  6. Step 6: Final answer
    x = 285,760.68

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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.