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Finding the Fourth Proportional to 284,395.73, 426,593.59 and 74,033.66

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Solution

The fourth proportional to 284,395.73, 426,593.59 and 74,033.66 is: 111,050.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,395.73 : 426,593.59 = 74,033.66 : x
  2. Step 2: Convert to fraction form
    284,395.73/426,593.59 = 74,033.66/x
  3. Step 3: Cross multiply
    284,395.73x = 426,593.59 × 74,033.66
  4. Step 4: Simplify right side
    284,395.73x = 31,582,285,681.64
  5. Step 5: Solve for x
    x = 31,582,285,681.64/284,395.73
  6. Step 6: Final answer
    x = 111,050.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.