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Finding the Fourth Proportional to 444,576.79, 666,328.13 and 216,530.60

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Solution

The fourth proportional to 444,576.79, 666,328.13 and 216,530.60 is: 324,534.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,576.79 : 666,328.13 = 216,530.60 : x
  2. Step 2: Convert to fraction form
    444,576.79/666,328.13 = 216,530.60/x
  3. Step 3: Cross multiply
    444,576.79x = 666,328.13 × 216,530.60
  4. Step 4: Simplify right side
    444,576.79x = 144,280,428,703.13
  5. Step 5: Solve for x
    x = 144,280,428,703.13/444,576.79
  6. Step 6: Final answer
    x = 324,534.33

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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.