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Finding the Fourth Proportional to 613,212.21, 847,192.68 and 468,524.39

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Solution

The fourth proportional to 613,212.21, 847,192.68 and 468,524.39 is: 647,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,212.21 : 847,192.68 = 468,524.39 : x
  2. Step 2: Convert to fraction form
    613,212.21/847,192.68 = 468,524.39/x
  3. Step 3: Cross multiply
    613,212.21x = 847,192.68 × 468,524.39
  4. Step 4: Simplify right side
    613,212.21x = 396,930,429,373.50
  5. Step 5: Solve for x
    x = 396,930,429,373.50/613,212.21
  6. Step 6: Final answer
    x = 647,297.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.