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Finding the Fourth Proportional to 609,276.09, 840,827.27 and 337,343.97

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Solution

The fourth proportional to 609,276.09, 840,827.27 and 337,343.97 is: 465,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,276.09 : 840,827.27 = 337,343.97 : x
  2. Step 2: Convert to fraction form
    609,276.09/840,827.27 = 337,343.97/x
  3. Step 3: Cross multiply
    609,276.09x = 840,827.27 × 337,343.97
  4. Step 4: Simplify right side
    609,276.09x = 283,648,009,346.06
  5. Step 5: Solve for x
    x = 283,648,009,346.06/609,276.09
  6. Step 6: Final answer
    x = 465,549.22

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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.