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Finding the Fourth Proportional to 303,636.48, 419,018.40 and 169,500.48

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Solution

The fourth proportional to 303,636.48, 419,018.40 and 169,500.48 is: 233,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,636.48 : 419,018.40 = 169,500.48 : x
  2. Step 2: Convert to fraction form
    303,636.48/419,018.40 = 169,500.48/x
  3. Step 3: Cross multiply
    303,636.48x = 419,018.40 × 169,500.48
  4. Step 4: Simplify right side
    303,636.48x = 71,023,819,928.83
  5. Step 5: Solve for x
    x = 71,023,819,928.83/303,636.48
  6. Step 6: Final answer
    x = 233,910.69

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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.