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Finding the Fourth Proportional to 484,792.90, 726,729.24 and 169,165.06

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Solution

The fourth proportional to 484,792.90, 726,729.24 and 169,165.06 is: 253,587.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,792.90 : 726,729.24 = 169,165.06 : x
  2. Step 2: Convert to fraction form
    484,792.90/726,729.24 = 169,165.06/x
  3. Step 3: Cross multiply
    484,792.90x = 726,729.24 × 169,165.06
  4. Step 4: Simplify right side
    484,792.90x = 122,937,195,488.35
  5. Step 5: Solve for x
    x = 122,937,195,488.35/484,792.90
  6. Step 6: Final answer
    x = 253,587.04

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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.