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Finding the Fourth Proportional to 209,363.68, 313,998.30 and 59,600.64

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Solution

The fourth proportional to 209,363.68, 313,998.30 and 59,600.64 is: 89,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,363.68 : 313,998.30 = 59,600.64 : x
  2. Step 2: Convert to fraction form
    209,363.68/313,998.30 = 59,600.64/x
  3. Step 3: Cross multiply
    209,363.68x = 313,998.30 × 59,600.64
  4. Step 4: Simplify right side
    209,363.68x = 18,714,499,638.91
  5. Step 5: Solve for x
    x = 18,714,499,638.91/209,363.68
  6. Step 6: Final answer
    x = 89,387.52

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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.