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Finding the Fourth Proportional to 609,085.89, 840,545.94 and 337,178.93

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Solution

The fourth proportional to 609,085.89, 840,545.94 and 337,178.93 is: 465,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,085.89 : 840,545.94 = 337,178.93 : x
  2. Step 2: Convert to fraction form
    609,085.89/840,545.94 = 337,178.93/x
  3. Step 3: Cross multiply
    609,085.89x = 840,545.94 × 337,178.93
  4. Step 4: Simplify right side
    609,085.89x = 283,414,376,462.31
  5. Step 5: Solve for x
    x = 283,414,376,462.31/609,085.89
  6. Step 6: Final answer
    x = 465,311.02

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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.