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Finding the Fourth Proportional to 451,957.01, 677,974.91 and 148,260.11

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Solution

The fourth proportional to 451,957.01, 677,974.91 and 148,260.11 is: 222,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,957.01 : 677,974.91 = 148,260.11 : x
  2. Step 2: Convert to fraction form
    451,957.01/677,974.91 = 148,260.11/x
  3. Step 3: Cross multiply
    451,957.01x = 677,974.91 × 148,260.11
  4. Step 4: Simplify right side
    451,957.01x = 100,516,634,733.84
  5. Step 5: Solve for x
    x = 100,516,634,733.84/451,957.01
  6. Step 6: Final answer
    x = 222,403.09

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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.