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Finding the Fourth Proportional to 222,419.30, 333,647.16 and 64,647.60

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Solution

The fourth proportional to 222,419.30, 333,647.16 and 64,647.60 is: 96,976.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,419.30 : 333,647.16 = 64,647.60 : x
  2. Step 2: Convert to fraction form
    222,419.30/333,647.16 = 64,647.60/x
  3. Step 3: Cross multiply
    222,419.30x = 333,647.16 × 64,647.60
  4. Step 4: Simplify right side
    222,419.30x = 21,569,488,140.82
  5. Step 5: Solve for x
    x = 21,569,488,140.82/222,419.30
  6. Step 6: Final answer
    x = 96,976.69

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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.