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Finding the Fourth Proportional to 404,848.38, 606,607.88 and 138,463.56

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Solution

The fourth proportional to 404,848.38, 606,607.88 and 138,463.56 is: 207,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,848.38 : 606,607.88 = 138,463.56 : x
  2. Step 2: Convert to fraction form
    404,848.38/606,607.88 = 138,463.56/x
  3. Step 3: Cross multiply
    404,848.38x = 606,607.88 × 138,463.56
  4. Step 4: Simplify right side
    404,848.38x = 83,993,086,588.85
  5. Step 5: Solve for x
    x = 83,993,086,588.85/404,848.38
  6. Step 6: Final answer
    x = 207,468.01

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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.