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Finding the Fourth Proportional to 562,217.68, 843,439.20 and 207,233.20

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Solution

The fourth proportional to 562,217.68, 843,439.20 and 207,233.20 is: 310,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,217.68 : 843,439.20 = 207,233.20 : x
  2. Step 2: Convert to fraction form
    562,217.68/843,439.20 = 207,233.20/x
  3. Step 3: Cross multiply
    562,217.68x = 843,439.20 × 207,233.20
  4. Step 4: Simplify right side
    562,217.68x = 174,788,604,421.44
  5. Step 5: Solve for x
    x = 174,788,604,421.44/562,217.68
  6. Step 6: Final answer
    x = 310,891.33

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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.