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Finding the Fourth Proportional to 368,722.13, 553,046.13 and 269,076.94

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Solution

The fourth proportional to 368,722.13, 553,046.13 and 269,076.94 is: 403,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,722.13 : 553,046.13 = 269,076.94 : x
  2. Step 2: Convert to fraction form
    368,722.13/553,046.13 = 269,076.94/x
  3. Step 3: Cross multiply
    368,722.13x = 553,046.13 × 269,076.94
  4. Step 4: Simplify right side
    368,722.13x = 148,811,958,956.63
  5. Step 5: Solve for x
    x = 148,811,958,956.63/368,722.13
  6. Step 6: Final answer
    x = 403,588.36

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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.