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Finding the Fourth Proportional to 267,688.36, 400,743.65 and 234,473.30

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Solution

The fourth proportional to 267,688.36, 400,743.65 and 234,473.30 is: 351,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,688.36 : 400,743.65 = 234,473.30 : x
  2. Step 2: Convert to fraction form
    267,688.36/400,743.65 = 234,473.30/x
  3. Step 3: Cross multiply
    267,688.36x = 400,743.65 × 234,473.30
  4. Step 4: Simplify right side
    267,688.36x = 93,963,686,069.55
  5. Step 5: Solve for x
    x = 93,963,686,069.55/267,688.36
  6. Step 6: Final answer
    x = 351,018.95

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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.