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Finding the Fourth Proportional to 443,952.65, 666,027.61 and 207,166.16

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Solution

The fourth proportional to 443,952.65, 666,027.61 and 207,166.16 is: 310,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,952.65 : 666,027.61 = 207,166.16 : x
  2. Step 2: Convert to fraction form
    443,952.65/666,027.61 = 207,166.16/x
  3. Step 3: Cross multiply
    443,952.65x = 666,027.61 × 207,166.16
  4. Step 4: Simplify right side
    443,952.65x = 137,978,383,564.83
  5. Step 5: Solve for x
    x = 137,978,383,564.83/443,952.65
  6. Step 6: Final answer
    x = 310,795.27

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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.