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Finding the Fourth Proportional to 483,881.32, 667,773.39 and 266,106.55

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Solution

The fourth proportional to 483,881.32, 667,773.39 and 266,106.55 is: 367,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,881.32 : 667,773.39 = 266,106.55 : x
  2. Step 2: Convert to fraction form
    483,881.32/667,773.39 = 266,106.55/x
  3. Step 3: Cross multiply
    483,881.32x = 667,773.39 × 266,106.55
  4. Step 4: Simplify right side
    483,881.32x = 177,698,872,994.71
  5. Step 5: Solve for x
    x = 177,698,872,994.71/483,881.32
  6. Step 6: Final answer
    x = 367,236.48

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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.