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Finding the Fourth Proportional to 222,220.65, 333,363.81 and 64,428.60

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Solution

The fourth proportional to 222,220.65, 333,363.81 and 64,428.60 is: 96,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,220.65 : 333,363.81 = 64,428.60 : x
  2. Step 2: Convert to fraction form
    222,220.65/333,363.81 = 64,428.60/x
  3. Step 3: Cross multiply
    222,220.65x = 333,363.81 × 64,428.60
  4. Step 4: Simplify right side
    222,220.65x = 21,478,163,568.97
  5. Step 5: Solve for x
    x = 21,478,163,568.97/222,220.65
  6. Step 6: Final answer
    x = 96,652.42

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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.