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Finding the Fourth Proportional to 303,734.25, 419,153.28 and 169,598.25

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Solution

The fourth proportional to 303,734.25, 419,153.28 and 169,598.25 is: 234,045.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,734.25 : 419,153.28 = 169,598.25 : x
  2. Step 2: Convert to fraction form
    303,734.25/419,153.28 = 169,598.25/x
  3. Step 3: Cross multiply
    303,734.25x = 419,153.28 × 169,598.25
  4. Step 4: Simplify right side
    303,734.25x = 71,087,662,769.76
  5. Step 5: Solve for x
    x = 71,087,662,769.76/303,734.25
  6. Step 6: Final answer
    x = 234,045.59

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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.