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Finding the Fourth Proportional to 492,616.74, 679,810.73 and 266,262.24

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Solution

The fourth proportional to 492,616.74, 679,810.73 and 266,262.24 is: 367,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,616.74 : 679,810.73 = 266,262.24 : x
  2. Step 2: Convert to fraction form
    492,616.74/679,810.73 = 266,262.24/x
  3. Step 3: Cross multiply
    492,616.74x = 679,810.73 × 266,262.24
  4. Step 4: Simplify right side
    492,616.74x = 181,007,926,414.52
  5. Step 5: Solve for x
    x = 181,007,926,414.52/492,616.74
  6. Step 6: Final answer
    x = 367,441.69

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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.