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Finding the Fourth Proportional to 263,014.99, 393,896.25 and 167,950.72

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Solution

The fourth proportional to 263,014.99, 393,896.25 and 167,950.72 is: 251,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,014.99 : 393,896.25 = 167,950.72 : x
  2. Step 2: Convert to fraction form
    263,014.99/393,896.25 = 167,950.72/x
  3. Step 3: Cross multiply
    263,014.99x = 393,896.25 × 167,950.72
  4. Step 4: Simplify right side
    263,014.99x = 66,155,156,966.42
  5. Step 5: Solve for x
    x = 66,155,156,966.42/263,014.99
  6. Step 6: Final answer
    x = 251,526.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.