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Finding the Fourth Proportional to 447,682.50, 618,326.73 and 296,517.06

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Solution

The fourth proportional to 447,682.50, 618,326.73 and 296,517.06 is: 409,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,682.50 : 618,326.73 = 296,517.06 : x
  2. Step 2: Convert to fraction form
    447,682.50/618,326.73 = 296,517.06/x
  3. Step 3: Cross multiply
    447,682.50x = 618,326.73 × 296,517.06
  4. Step 4: Simplify right side
    447,682.50x = 183,344,424,099.01
  5. Step 5: Solve for x
    x = 183,344,424,099.01/447,682.50
  6. Step 6: Final answer
    x = 409,541.19

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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.