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Finding the Fourth Proportional to 483,926.67, 667,801.33 and 266,133.47

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Solution

The fourth proportional to 483,926.67, 667,801.33 and 266,133.47 is: 367,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,926.67 : 667,801.33 = 266,133.47 : x
  2. Step 2: Convert to fraction form
    483,926.67/667,801.33 = 266,133.47/x
  3. Step 3: Cross multiply
    483,926.67x = 667,801.33 × 266,133.47
  4. Step 4: Simplify right side
    483,926.67x = 177,724,281,219.18
  5. Step 5: Solve for x
    x = 177,724,281,219.18/483,926.67
  6. Step 6: Final answer
    x = 367,254.57

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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.