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Finding the Fourth Proportional to 370,325.80, 555,429.30 and 133,546.60

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Solution

The fourth proportional to 370,325.80, 555,429.30 and 133,546.60 is: 200,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,325.80 : 555,429.30 = 133,546.60 : x
  2. Step 2: Convert to fraction form
    370,325.80/555,429.30 = 133,546.60/x
  3. Step 3: Cross multiply
    370,325.80x = 555,429.30 × 133,546.60
  4. Step 4: Simplify right side
    370,325.80x = 74,175,694,555.38
  5. Step 5: Solve for x
    x = 74,175,694,555.38/370,325.80
  6. Step 6: Final answer
    x = 200,298.48

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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.