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Finding the Fourth Proportional to 344,925,840.30, 517,388,760.45 and 344,925,840.30

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Solution

The fourth proportional to 344,925,840.30, 517,388,760.45 and 344,925,840.30 is: 517,388,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,925,840.30 : 517,388,760.45 = 344,925,840.30 : x
  2. Step 2: Convert to fraction form
    344,925,840.30/517,388,760.45 = 344,925,840.30/x
  3. Step 3: Cross multiply
    344,925,840.30x = 517,388,760.45 × 344,925,840.30
  4. Step 4: Simplify right side
    344,925,840.30x = 178,460,752,959,991,648
  5. Step 5: Solve for x
    x = 178,460,752,959,991,648/344,925,840.30
  6. Step 6: Final answer
    x = 517,388,760.45

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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.