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Finding the Fourth Proportional to 444,626.06, 666,731.49 and 160,279.16

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Solution

The fourth proportional to 444,626.06, 666,731.49 and 160,279.16 is: 240,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,626.06 : 666,731.49 = 160,279.16 : x
  2. Step 2: Convert to fraction form
    444,626.06/666,731.49 = 160,279.16/x
  3. Step 3: Cross multiply
    444,626.06x = 666,731.49 × 160,279.16
  4. Step 4: Simplify right side
    444,626.06x = 106,863,159,904.22
  5. Step 5: Solve for x
    x = 106,863,159,904.22/444,626.06
  6. Step 6: Final answer
    x = 240,343.90

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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.