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Finding the Fourth Proportional to 365,623.46, 548,441.40 and 99,377.46

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Solution

The fourth proportional to 365,623.46, 548,441.40 and 99,377.46 is: 149,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,623.46 : 548,441.40 = 99,377.46 : x
  2. Step 2: Convert to fraction form
    365,623.46/548,441.40 = 99,377.46/x
  3. Step 3: Cross multiply
    365,623.46x = 548,441.40 × 99,377.46
  4. Step 4: Simplify right side
    365,623.46x = 54,502,713,290.84
  5. Step 5: Solve for x
    x = 54,502,713,290.84/365,623.46
  6. Step 6: Final answer
    x = 149,067.88

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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.