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Finding the Fourth Proportional to 299,082.77, 412,500.87 and 191,662.80

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Solution

The fourth proportional to 299,082.77, 412,500.87 and 191,662.80 is: 264,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,082.77 : 412,500.87 = 191,662.80 : x
  2. Step 2: Convert to fraction form
    299,082.77/412,500.87 = 191,662.80/x
  3. Step 3: Cross multiply
    299,082.77x = 412,500.87 × 191,662.80
  4. Step 4: Simplify right side
    299,082.77x = 79,061,071,746.64
  5. Step 5: Solve for x
    x = 79,061,071,746.64/299,082.77
  6. Step 6: Final answer
    x = 264,345.12

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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.