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Finding the Fourth Proportional to 602,545.27, 831,586.22 and 347,896.03

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Solution

The fourth proportional to 602,545.27, 831,586.22 and 347,896.03 is: 480,139.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,545.27 : 831,586.22 = 347,896.03 : x
  2. Step 2: Convert to fraction form
    602,545.27/831,586.22 = 347,896.03/x
  3. Step 3: Cross multiply
    602,545.27x = 831,586.22 × 347,896.03
  4. Step 4: Simplify right side
    602,545.27x = 289,305,544,540.71
  5. Step 5: Solve for x
    x = 289,305,544,540.71/602,545.27
  6. Step 6: Final answer
    x = 480,139.10

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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.