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Finding the Fourth Proportional to 303,342.75, 418,613.00 and 169,206.75

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Solution

The fourth proportional to 303,342.75, 418,613.00 and 169,206.75 is: 233,505.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,342.75 : 418,613.00 = 169,206.75 : x
  2. Step 2: Convert to fraction form
    303,342.75/418,613.00 = 169,206.75/x
  3. Step 3: Cross multiply
    303,342.75x = 418,613.00 × 169,206.75
  4. Step 4: Simplify right side
    303,342.75x = 70,832,144,391.72
  5. Step 5: Solve for x
    x = 70,832,144,391.72/303,342.75
  6. Step 6: Final answer
    x = 233,505.32

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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.