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Finding the Fourth Proportional to 444,643.21, 666,556.13 and 160,264.16

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Solution

The fourth proportional to 444,643.21, 666,556.13 and 160,264.16 is: 240,248.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,643.21 : 666,556.13 = 160,264.16 : x
  2. Step 2: Convert to fraction form
    444,643.21/666,556.13 = 160,264.16/x
  3. Step 3: Cross multiply
    444,643.21x = 666,556.13 × 160,264.16
  4. Step 4: Simplify right side
    444,643.21x = 106,825,058,267.30
  5. Step 5: Solve for x
    x = 106,825,058,267.30/444,643.21
  6. Step 6: Final answer
    x = 240,248.94

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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.