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Finding the Fourth Proportional to 445,490, 668,222.04 and 165,001.04

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Solution

The fourth proportional to 445,490, 668,222.04 and 165,001.04 is: 247,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,490 : 668,222.04 = 165,001.04 : x
  2. Step 2: Convert to fraction form
    445,490/668,222.04 = 165,001.04/x
  3. Step 3: Cross multiply
    445,490x = 668,222.04 × 165,001.04
  4. Step 4: Simplify right side
    445,490x = 110,257,331,550.92
  5. Step 5: Solve for x
    x = 110,257,331,550.92/445,490
  6. Step 6: Final answer
    x = 247,496.76

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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.