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Finding the Fourth Proportional to 606,331.20, 909,496.80 and 251,227.20

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Solution

The fourth proportional to 606,331.20, 909,496.80 and 251,227.20 is: 376,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,331.20 : 909,496.80 = 251,227.20 : x
  2. Step 2: Convert to fraction form
    606,331.20/909,496.80 = 251,227.20/x
  3. Step 3: Cross multiply
    606,331.20x = 909,496.80 × 251,227.20
  4. Step 4: Simplify right side
    606,331.20x = 228,490,334,472.96
  5. Step 5: Solve for x
    x = 228,490,334,472.96/606,331.20
  6. Step 6: Final answer
    x = 376,840.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.