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Finding the Fourth Proportional to 483,214.62, 666,817.89 and 268,368.52

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Solution

The fourth proportional to 483,214.62, 666,817.89 and 268,368.52 is: 370,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,214.62 : 666,817.89 = 268,368.52 : x
  2. Step 2: Convert to fraction form
    483,214.62/666,817.89 = 268,368.52/x
  3. Step 3: Cross multiply
    483,214.62x = 666,817.89 × 268,368.52
  4. Step 4: Simplify right side
    483,214.62x = 178,952,930,248.82
  5. Step 5: Solve for x
    x = 178,952,930,248.82/483,214.62
  6. Step 6: Final answer
    x = 370,338.40

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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.