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Finding the Fourth Proportional to 444,145.45, 666,068.99 and 144,555.57

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Solution

The fourth proportional to 444,145.45, 666,068.99 and 144,555.57 is: 216,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,145.45 : 666,068.99 = 144,555.57 : x
  2. Step 2: Convert to fraction form
    444,145.45/666,068.99 = 144,555.57/x
  3. Step 3: Cross multiply
    444,145.45x = 666,068.99 × 144,555.57
  4. Step 4: Simplify right side
    444,145.45x = 96,283,982,599.12
  5. Step 5: Solve for x
    x = 96,283,982,599.12/444,145.45
  6. Step 6: Final answer
    x = 216,784.80

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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.