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Finding the Fourth Proportional to 562,220.40, 843,344.24 and 220,649.28

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Solution

The fourth proportional to 562,220.40, 843,344.24 and 220,649.28 is: 330,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,220.40 : 843,344.24 = 220,649.28 : x
  2. Step 2: Convert to fraction form
    562,220.40/843,344.24 = 220,649.28/x
  3. Step 3: Cross multiply
    562,220.40x = 843,344.24 × 220,649.28
  4. Step 4: Simplify right side
    562,220.40x = 186,083,299,348.15
  5. Step 5: Solve for x
    x = 186,083,299,348.15/562,220.40
  6. Step 6: Final answer
    x = 330,979.27

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Double scale
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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.