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Finding the Fourth Proportional to 481,214.32, 664,081.66 and 266,374.42

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Solution

The fourth proportional to 481,214.32, 664,081.66 and 266,374.42 is: 367,599.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,214.32 : 664,081.66 = 266,374.42 : x
  2. Step 2: Convert to fraction form
    481,214.32/664,081.66 = 266,374.42/x
  3. Step 3: Cross multiply
    481,214.32x = 664,081.66 × 266,374.42
  4. Step 4: Simplify right side
    481,214.32x = 176,894,367,015.14
  5. Step 5: Solve for x
    x = 176,894,367,015.14/481,214.32
  6. Step 6: Final answer
    x = 367,599.96

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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.