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Finding the Fourth Proportional to 512,034.27, 768,051.79 and 175,077.46

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Solution

The fourth proportional to 512,034.27, 768,051.79 and 175,077.46 is: 262,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,034.27 : 768,051.79 = 175,077.46 : x
  2. Step 2: Convert to fraction form
    512,034.27/768,051.79 = 175,077.46/x
  3. Step 3: Cross multiply
    512,034.27x = 768,051.79 × 175,077.46
  4. Step 4: Simplify right side
    512,034.27x = 134,468,554,183.83
  5. Step 5: Solve for x
    x = 134,468,554,183.83/512,034.27
  6. Step 6: Final answer
    x = 262,616.32

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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.