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Finding the Fourth Proportional to 300,888.24, 415,235.88 and 164,934.60

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Solution

The fourth proportional to 300,888.24, 415,235.88 and 164,934.60 is: 227,615.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,888.24 : 415,235.88 = 164,934.60 : x
  2. Step 2: Convert to fraction form
    300,888.24/415,235.88 = 164,934.60/x
  3. Step 3: Cross multiply
    300,888.24x = 415,235.88 × 164,934.60
  4. Step 4: Simplify right side
    300,888.24x = 68,486,763,773.45
  5. Step 5: Solve for x
    x = 68,486,763,773.45/300,888.24
  6. Step 6: Final answer
    x = 227,615.29

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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.