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Finding the Fourth Proportional to 445,950.40, 615,408.42 and 241,996.12

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Solution

The fourth proportional to 445,950.40, 615,408.42 and 241,996.12 is: 333,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,950.40 : 615,408.42 = 241,996.12 : x
  2. Step 2: Convert to fraction form
    445,950.40/615,408.42 = 241,996.12/x
  3. Step 3: Cross multiply
    445,950.40x = 615,408.42 × 241,996.12
  4. Step 4: Simplify right side
    445,950.40x = 148,926,449,855.33
  5. Step 5: Solve for x
    x = 148,926,449,855.33/445,950.40
  6. Step 6: Final answer
    x = 333,952.95

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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.