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Finding the Fourth Proportional to 444,421.08, 666,630.54 and 148,933.08

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Solution

The fourth proportional to 444,421.08, 666,630.54 and 148,933.08 is: 223,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,421.08 : 666,630.54 = 148,933.08 : x
  2. Step 2: Convert to fraction form
    444,421.08/666,630.54 = 148,933.08/x
  3. Step 3: Cross multiply
    444,421.08x = 666,630.54 × 148,933.08
  4. Step 4: Simplify right side
    444,421.08x = 99,283,339,544.26
  5. Step 5: Solve for x
    x = 99,283,339,544.26/444,421.08
  6. Step 6: Final answer
    x = 223,399.26

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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.