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Finding the Fourth Proportional to 274,291.58, 411,331.01 and 94,342.79

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Solution

The fourth proportional to 274,291.58, 411,331.01 and 94,342.79 is: 141,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,291.58 : 411,331.01 = 94,342.79 : x
  2. Step 2: Convert to fraction form
    274,291.58/411,331.01 = 94,342.79/x
  3. Step 3: Cross multiply
    274,291.58x = 411,331.01 × 94,342.79
  4. Step 4: Simplify right side
    274,291.58x = 38,806,112,568.55
  5. Step 5: Solve for x
    x = 38,806,112,568.55/274,291.58
  6. Step 6: Final answer
    x = 141,477.60

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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.