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Finding the Fourth Proportional to 445,491, 668,223.54 and 165,002.04

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Solution

The fourth proportional to 445,491, 668,223.54 and 165,002.04 is: 247,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,491 : 668,223.54 = 165,002.04 : x
  2. Step 2: Convert to fraction form
    445,491/668,223.54 = 165,002.04/x
  3. Step 3: Cross multiply
    445,491x = 668,223.54 × 165,002.04
  4. Step 4: Simplify right side
    445,491x = 110,258,247,276.02
  5. Step 5: Solve for x
    x = 110,258,247,276.02/445,491
  6. Step 6: Final answer
    x = 247,498.26

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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.