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Finding the Fourth Proportional to 552,876,424.67, 762,964,443.06 and 301,980,764.31

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Solution

The fourth proportional to 552,876,424.67, 762,964,443.06 and 301,980,764.31 is: 416,730,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,876,424.67 : 762,964,443.06 = 301,980,764.31 : x
  2. Step 2: Convert to fraction form
    552,876,424.67/762,964,443.06 = 301,980,764.31/x
  3. Step 3: Cross multiply
    552,876,424.67x = 762,964,443.06 × 301,980,764.31
  4. Step 4: Simplify right side
    552,876,424.67x = 230,400,585,656,612,256
  5. Step 5: Solve for x
    x = 230,400,585,656,612,256/552,876,424.67
  6. Step 6: Final answer
    x = 416,730,711.20

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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.