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Finding the Fourth Proportional to 516,376.52, 774,696.17 and 303,324.60

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Solution

The fourth proportional to 516,376.52, 774,696.17 and 303,324.60 is: 455,064.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,376.52 : 774,696.17 = 303,324.60 : x
  2. Step 2: Convert to fraction form
    516,376.52/774,696.17 = 303,324.60/x
  3. Step 3: Cross multiply
    516,376.52x = 774,696.17 × 303,324.60
  4. Step 4: Simplify right side
    516,376.52x = 234,984,405,886.78
  5. Step 5: Solve for x
    x = 234,984,405,886.78/516,376.52
  6. Step 6: Final answer
    x = 455,064.08

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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.