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Finding the Fourth Proportional to 444,556.40, 666,811.08 and 124,730.54

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Solution

The fourth proportional to 444,556.40, 666,811.08 and 124,730.54 is: 187,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,556.40 : 666,811.08 = 124,730.54 : x
  2. Step 2: Convert to fraction form
    444,556.40/666,811.08 = 124,730.54/x
  3. Step 3: Cross multiply
    444,556.40x = 666,811.08 × 124,730.54
  4. Step 4: Simplify right side
    444,556.40x = 83,171,702,752.33
  5. Step 5: Solve for x
    x = 83,171,702,752.33/444,556.40
  6. Step 6: Final answer
    x = 187,089.20

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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.