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Finding the Fourth Proportional to 366,839.34, 550,259.82 and 100,603.68

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Solution

The fourth proportional to 366,839.34, 550,259.82 and 100,603.68 is: 150,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,839.34 : 550,259.82 = 100,603.68 : x
  2. Step 2: Convert to fraction form
    366,839.34/550,259.82 = 100,603.68/x
  3. Step 3: Cross multiply
    366,839.34x = 550,259.82 × 100,603.68
  4. Step 4: Simplify right side
    366,839.34x = 55,358,162,848.14
  5. Step 5: Solve for x
    x = 55,358,162,848.14/366,839.34
  6. Step 6: Final answer
    x = 150,905.74

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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.