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Finding the Fourth Proportional to 609,645.64, 841,324.48 and 347,995.60

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Solution

The fourth proportional to 609,645.64, 841,324.48 and 347,995.60 is: 480,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,645.64 : 841,324.48 = 347,995.60 : x
  2. Step 2: Convert to fraction form
    609,645.64/841,324.48 = 347,995.60/x
  3. Step 3: Cross multiply
    609,645.64x = 841,324.48 × 347,995.60
  4. Step 4: Simplify right side
    609,645.64x = 292,777,217,212.29
  5. Step 5: Solve for x
    x = 292,777,217,212.29/609,645.64
  6. Step 6: Final answer
    x = 480,241.63

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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.