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Finding the Fourth Proportional to 483,996.47, 667,931.33 and 266,214.36

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Solution

The fourth proportional to 483,996.47, 667,931.33 and 266,214.36 is: 367,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,996.47 : 667,931.33 = 266,214.36 : x
  2. Step 2: Convert to fraction form
    483,996.47/667,931.33 = 266,214.36/x
  3. Step 3: Cross multiply
    483,996.47x = 667,931.33 × 266,214.36
  4. Step 4: Simplify right side
    483,996.47x = 177,812,911,539.90
  5. Step 5: Solve for x
    x = 177,812,911,539.90/483,996.47
  6. Step 6: Final answer
    x = 367,384.73

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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.