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Finding the Fourth Proportional to 296,605.62, 444,951.81 and 86,216.22

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Solution

The fourth proportional to 296,605.62, 444,951.81 and 86,216.22 is: 129,336.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,605.62 : 444,951.81 = 86,216.22 : x
  2. Step 2: Convert to fraction form
    296,605.62/444,951.81 = 86,216.22/x
  3. Step 3: Cross multiply
    296,605.62x = 444,951.81 × 86,216.22
  4. Step 4: Simplify right side
    296,605.62x = 38,362,063,140.36
  5. Step 5: Solve for x
    x = 38,362,063,140.36/296,605.62
  6. Step 6: Final answer
    x = 129,336.94

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1.5x scale

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.