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Finding the Fourth Proportional to 370,179.44, 555,269.22 and 133,522.09

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Solution

The fourth proportional to 370,179.44, 555,269.22 and 133,522.09 is: 200,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,179.44 : 555,269.22 = 133,522.09 : x
  2. Step 2: Convert to fraction form
    370,179.44/555,269.22 = 133,522.09/x
  3. Step 3: Cross multiply
    370,179.44x = 555,269.22 × 133,522.09
  4. Step 4: Simplify right side
    370,179.44x = 74,140,703,990.72
  5. Step 5: Solve for x
    x = 74,140,703,990.72/370,179.44
  6. Step 6: Final answer
    x = 200,283.15

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1.5x scale

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.