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Finding the Fourth Proportional to 179,220.40, 268,976.40 and 173,388.40

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Solution

The fourth proportional to 179,220.40, 268,976.40 and 173,388.40 is: 260,223.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,220.40 : 268,976.40 = 173,388.40 : x
  2. Step 2: Convert to fraction form
    179,220.40/268,976.40 = 173,388.40/x
  3. Step 3: Cross multiply
    179,220.40x = 268,976.40 × 173,388.40
  4. Step 4: Simplify right side
    179,220.40x = 46,637,387,633.76
  5. Step 5: Solve for x
    x = 46,637,387,633.76/179,220.40
  6. Step 6: Final answer
    x = 260,223.66

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1.5x scale

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.