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Finding the Fourth Proportional to 562,220.68, 843,443.70 and 207,236.20

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Solution

The fourth proportional to 562,220.68, 843,443.70 and 207,236.20 is: 310,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,220.68 : 843,443.70 = 207,236.20 : x
  2. Step 2: Convert to fraction form
    562,220.68/843,443.70 = 207,236.20/x
  3. Step 3: Cross multiply
    562,220.68x = 843,443.70 × 207,236.20
  4. Step 4: Simplify right side
    562,220.68x = 174,792,067,301.94
  5. Step 5: Solve for x
    x = 174,792,067,301.94/562,220.68
  6. Step 6: Final answer
    x = 310,895.83

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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.