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Finding the Fourth Proportional to 613,256.60, 919,884.90 and 164,046.80

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Solution

The fourth proportional to 613,256.60, 919,884.90 and 164,046.80 is: 246,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,256.60 : 919,884.90 = 164,046.80 : x
  2. Step 2: Convert to fraction form
    613,256.60/919,884.90 = 164,046.80/x
  3. Step 3: Cross multiply
    613,256.60x = 919,884.90 × 164,046.80
  4. Step 4: Simplify right side
    613,256.60x = 150,904,174,213.32
  5. Step 5: Solve for x
    x = 150,904,174,213.32/613,256.60
  6. Step 6: Final answer
    x = 246,070.20

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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.