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Finding the Fourth Proportional to 609,685.57, 841,363.36 and 351,561.25

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Solution

The fourth proportional to 609,685.57, 841,363.36 and 351,561.25 is: 485,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,685.57 : 841,363.36 = 351,561.25 : x
  2. Step 2: Convert to fraction form
    609,685.57/841,363.36 = 351,561.25/x
  3. Step 3: Cross multiply
    609,685.57x = 841,363.36 × 351,561.25
  4. Step 4: Simplify right side
    609,685.57x = 295,790,754,545.80
  5. Step 5: Solve for x
    x = 295,790,754,545.80/609,685.57
  6. Step 6: Final answer
    x = 485,152.95

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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.