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Finding the Fourth Proportional to 300,525.60, 414,712.52 and 164,557.12

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Solution

The fourth proportional to 300,525.60, 414,712.52 and 164,557.12 is: 227,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,525.60 : 414,712.52 = 164,557.12 : x
  2. Step 2: Convert to fraction form
    300,525.60/414,712.52 = 164,557.12/x
  3. Step 3: Cross multiply
    300,525.60x = 414,712.52 × 164,557.12
  4. Step 4: Simplify right side
    300,525.60x = 68,243,897,919.14
  5. Step 5: Solve for x
    x = 68,243,897,919.14/300,525.60
  6. Step 6: Final answer
    x = 227,081.81

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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.