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Finding the Fourth Proportional to 524,863.88, 724,660.76 and 403,791.56

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Solution

The fourth proportional to 524,863.88, 724,660.76 and 403,791.56 is: 557,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,863.88 : 724,660.76 = 403,791.56 : x
  2. Step 2: Convert to fraction form
    524,863.88/724,660.76 = 403,791.56/x
  3. Step 3: Cross multiply
    524,863.88x = 724,660.76 × 403,791.56
  4. Step 4: Simplify right side
    524,863.88x = 292,611,898,751.19
  5. Step 5: Solve for x
    x = 292,611,898,751.19/524,863.88
  6. Step 6: Final answer
    x = 557,500.54

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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.