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Finding the Fourth Proportional to 444,436.40, 666,665.68 and 144,948.62

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Solution

The fourth proportional to 444,436.40, 666,665.68 and 144,948.62 is: 217,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,436.40 : 666,665.68 = 144,948.62 : x
  2. Step 2: Convert to fraction form
    444,436.40/666,665.68 = 144,948.62/x
  3. Step 3: Cross multiply
    444,436.40x = 666,665.68 × 144,948.62
  4. Step 4: Simplify right side
    444,436.40x = 96,632,270,317.36
  5. Step 5: Solve for x
    x = 96,632,270,317.36/444,436.40
  6. Step 6: Final answer
    x = 217,426.54

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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.