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Finding the Fourth Proportional to 300,862.02, 415,189.53 and 164,900.33

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Solution

The fourth proportional to 300,862.02, 415,189.53 and 164,900.33 is: 227,562.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,862.02 : 415,189.53 = 164,900.33 : x
  2. Step 2: Convert to fraction form
    300,862.02/415,189.53 = 164,900.33/x
  3. Step 3: Cross multiply
    300,862.02x = 415,189.53 × 164,900.33
  4. Step 4: Simplify right side
    300,862.02x = 68,464,891,853.95
  5. Step 5: Solve for x
    x = 68,464,891,853.95/300,862.02
  6. Step 6: Final answer
    x = 227,562.43

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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.