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Finding the Fourth Proportional to 482,029.80, 723,044.70 and 127,079.70

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Solution

The fourth proportional to 482,029.80, 723,044.70 and 127,079.70 is: 190,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,029.80 : 723,044.70 = 127,079.70 : x
  2. Step 2: Convert to fraction form
    482,029.80/723,044.70 = 127,079.70/x
  3. Step 3: Cross multiply
    482,029.80x = 723,044.70 × 127,079.70
  4. Step 4: Simplify right side
    482,029.80x = 91,884,303,562.59
  5. Step 5: Solve for x
    x = 91,884,303,562.59/482,029.80
  6. Step 6: Final answer
    x = 190,619.55

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Similar ratio
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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.