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Finding the Fourth Proportional to 444,577.79, 666,329.62 and 216,531.60

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Solution

The fourth proportional to 444,577.79, 666,329.62 and 216,531.60 is: 324,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,577.79 : 666,329.62 = 216,531.60 : x
  2. Step 2: Convert to fraction form
    444,577.79/666,329.62 = 216,531.60/x
  3. Step 3: Cross multiply
    444,577.79x = 666,329.62 × 216,531.60
  4. Step 4: Simplify right side
    444,577.79x = 144,281,418,745.99
  5. Step 5: Solve for x
    x = 144,281,418,745.99/444,577.79
  6. Step 6: Final answer
    x = 324,535.82

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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.