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Finding the Fourth Proportional to 300,291.72, 414,396.18 and 164,325.12

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Solution

The fourth proportional to 300,291.72, 414,396.18 and 164,325.12 is: 226,765.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,291.72 : 414,396.18 = 164,325.12 : x
  2. Step 2: Convert to fraction form
    300,291.72/414,396.18 = 164,325.12/x
  3. Step 3: Cross multiply
    300,291.72x = 414,396.18 × 164,325.12
  4. Step 4: Simplify right side
    300,291.72x = 68,095,702,006.04
  5. Step 5: Solve for x
    x = 68,095,702,006.04/300,291.72
  6. Step 6: Final answer
    x = 226,765.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.