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Finding the Fourth Proportional to 260,593.80, 359,628.24 and 153,162.30

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Solution

The fourth proportional to 260,593.80, 359,628.24 and 153,162.30 is: 211,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,593.80 : 359,628.24 = 153,162.30 : x
  2. Step 2: Convert to fraction form
    260,593.80/359,628.24 = 153,162.30/x
  3. Step 3: Cross multiply
    260,593.80x = 359,628.24 × 153,162.30
  4. Step 4: Simplify right side
    260,593.80x = 55,081,488,383.35
  5. Step 5: Solve for x
    x = 55,081,488,383.35/260,593.80
  6. Step 6: Final answer
    x = 211,369.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.