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Finding the Fourth Proportional to 262,202.80, 392,320.05 and 173,629.30

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Solution

The fourth proportional to 262,202.80, 392,320.05 and 173,629.30 is: 259,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,202.80 : 392,320.05 = 173,629.30 : x
  2. Step 2: Convert to fraction form
    262,202.80/392,320.05 = 173,629.30/x
  3. Step 3: Cross multiply
    262,202.80x = 392,320.05 × 173,629.30
  4. Step 4: Simplify right side
    262,202.80x = 68,118,255,657.47
  5. Step 5: Solve for x
    x = 68,118,255,657.47/262,202.80
  6. Step 6: Final answer
    x = 259,792.25

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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.