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Finding the Fourth Proportional to 294,892.76, 406,681.97 and 218,601.90

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Solution

The fourth proportional to 294,892.76, 406,681.97 and 218,601.90 is: 301,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,892.76 : 406,681.97 = 218,601.90 : x
  2. Step 2: Convert to fraction form
    294,892.76/406,681.97 = 218,601.90/x
  3. Step 3: Cross multiply
    294,892.76x = 406,681.97 × 218,601.90
  4. Step 4: Simplify right side
    294,892.76x = 88,901,450,244.73
  5. Step 5: Solve for x
    x = 88,901,450,244.73/294,892.76
  6. Step 6: Final answer
    x = 301,470.44

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1.5x scale

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.