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Finding the Fourth Proportional to 322,893,238.37, 445,607,157.60 and 181,812,973.91

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Solution

The fourth proportional to 322,893,238.37, 445,607,157.60 and 181,812,973.91 is: 250,910,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,893,238.37 : 445,607,157.60 = 181,812,973.91 : x
  2. Step 2: Convert to fraction form
    322,893,238.37/445,607,157.60 = 181,812,973.91/x
  3. Step 3: Cross multiply
    322,893,238.37x = 445,607,157.60 × 181,812,973.91
  4. Step 4: Simplify right side
    322,893,238.37x = 81,017,162,516,610,032
  5. Step 5: Solve for x
    x = 81,017,162,516,610,032/322,893,238.37
  6. Step 6: Final answer
    x = 250,910,062.18

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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.