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Finding the Fourth Proportional to 609,266.80, 840,814.47 and 337,334.70

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Solution

The fourth proportional to 609,266.80, 840,814.47 and 337,334.70 is: 465,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,266.80 : 840,814.47 = 337,334.70 : x
  2. Step 2: Convert to fraction form
    609,266.80/840,814.47 = 337,334.70/x
  3. Step 3: Cross multiply
    609,266.80x = 840,814.47 × 337,334.70
  4. Step 4: Simplify right side
    609,266.80x = 283,635,896,993.11
  5. Step 5: Solve for x
    x = 283,635,896,993.11/609,266.80
  6. Step 6: Final answer
    x = 465,536.44

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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.