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Finding the Fourth Proportional to 251,009,991.30, 376,514,986.97 and 251,009,991.30

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Solution

The fourth proportional to 251,009,991.30, 376,514,986.97 and 251,009,991.30 is: 376,514,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,009,991.30 : 376,514,986.97 = 251,009,991.30 : x
  2. Step 2: Convert to fraction form
    251,009,991.30/376,514,986.97 = 251,009,991.30/x
  3. Step 3: Cross multiply
    251,009,991.30x = 376,514,986.97 × 251,009,991.30
  4. Step 4: Simplify right side
    251,009,991.30x = 94,509,023,602,404,256
  5. Step 5: Solve for x
    x = 94,509,023,602,404,256/251,009,991.30
  6. Step 6: Final answer
    x = 376,514,986.97

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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.