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Finding the Fourth Proportional to 483,363.80, 724,700.10 and 216,906.20

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Solution

The fourth proportional to 483,363.80, 724,700.10 and 216,906.20 is: 325,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,363.80 : 724,700.10 = 216,906.20 : x
  2. Step 2: Convert to fraction form
    483,363.80/724,700.10 = 216,906.20/x
  3. Step 3: Cross multiply
    483,363.80x = 724,700.10 × 216,906.20
  4. Step 4: Simplify right side
    483,363.80x = 157,191,944,830.62
  5. Step 5: Solve for x
    x = 157,191,944,830.62/483,363.80
  6. Step 6: Final answer
    x = 325,204.21

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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.