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Finding the Fourth Proportional to 562,380.08, 843,899.82 and 207,641.42

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Solution

The fourth proportional to 562,380.08, 843,899.82 and 207,641.42 is: 311,583.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,380.08 : 843,899.82 = 207,641.42 : x
  2. Step 2: Convert to fraction form
    562,380.08/843,899.82 = 207,641.42/x
  3. Step 3: Cross multiply
    562,380.08x = 843,899.82 × 207,641.42
  4. Step 4: Simplify right side
    562,380.08x = 175,228,556,962.54
  5. Step 5: Solve for x
    x = 175,228,556,962.54/562,380.08
  6. Step 6: Final answer
    x = 311,583.86

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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.