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Finding the Fourth Proportional to 366,302.40, 550,109.70 and 266,575.20

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Solution

The fourth proportional to 366,302.40, 550,109.70 and 266,575.20 is: 400,340.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,302.40 : 550,109.70 = 266,575.20 : x
  2. Step 2: Convert to fraction form
    366,302.40/550,109.70 = 266,575.20/x
  3. Step 3: Cross multiply
    366,302.40x = 550,109.70 × 266,575.20
  4. Step 4: Simplify right side
    366,302.40x = 146,645,603,299.44
  5. Step 5: Solve for x
    x = 146,645,603,299.44/366,302.40
  6. Step 6: Final answer
    x = 400,340.27

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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.