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Finding the Fourth Proportional to 552,876,414.71, 762,964,429.34 and 301,980,754.34

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Solution

The fourth proportional to 552,876,414.71, 762,964,429.34 and 301,980,754.34 is: 416,730,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,876,414.71 : 762,964,429.34 = 301,980,754.34 : x
  2. Step 2: Convert to fraction form
    552,876,414.71/762,964,429.34 = 301,980,754.34/x
  3. Step 3: Cross multiply
    552,876,414.71x = 762,964,429.34 × 301,980,754.34
  4. Step 4: Simplify right side
    552,876,414.71x = 230,400,573,909,343,168
  5. Step 5: Solve for x
    x = 230,400,573,909,343,168/552,876,414.71
  6. Step 6: Final answer
    x = 416,730,697.45

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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.