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Finding the Fourth Proportional to 609,279.71, 840,832.25 and 337,347.59

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Solution

The fourth proportional to 609,279.71, 840,832.25 and 337,347.59 is: 465,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,279.71 : 840,832.25 = 337,347.59 : x
  2. Step 2: Convert to fraction form
    609,279.71/840,832.25 = 337,347.59/x
  3. Step 3: Cross multiply
    609,279.71x = 840,832.25 × 337,347.59
  4. Step 4: Simplify right side
    609,279.71x = 283,652,727,240.88
  5. Step 5: Solve for x
    x = 283,652,727,240.88/609,279.71
  6. Step 6: Final answer
    x = 465,554.20

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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.