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Finding the Fourth Proportional to 353,082.51, 487,233.63 and 191,936.25

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Solution

The fourth proportional to 353,082.51, 487,233.63 and 191,936.25 is: 264,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,082.51 : 487,233.63 = 191,936.25 : x
  2. Step 2: Convert to fraction form
    353,082.51/487,233.63 = 191,936.25/x
  3. Step 3: Cross multiply
    353,082.51x = 487,233.63 × 191,936.25
  4. Step 4: Simplify right side
    353,082.51x = 93,517,795,816.09
  5. Step 5: Solve for x
    x = 93,517,795,816.09/353,082.51
  6. Step 6: Final answer
    x = 264,861.03

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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.