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Finding the Fourth Proportional to 524,136.04, 723,327.78 and 285,672.04

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Solution

The fourth proportional to 524,136.04, 723,327.78 and 285,672.04 is: 394,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,136.04 : 723,327.78 = 285,672.04 : x
  2. Step 2: Convert to fraction form
    524,136.04/723,327.78 = 285,672.04/x
  3. Step 3: Cross multiply
    524,136.04x = 723,327.78 × 285,672.04
  4. Step 4: Simplify right side
    524,136.04x = 206,634,522,501.27
  5. Step 5: Solve for x
    x = 206,634,522,501.27/524,136.04
  6. Step 6: Final answer
    x = 394,238.34

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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.