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Finding the Fourth Proportional to 451,480.80, 676,203.60 and 350,857.44

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Solution

The fourth proportional to 451,480.80, 676,203.60 and 350,857.44 is: 525,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,480.80 : 676,203.60 = 350,857.44 : x
  2. Step 2: Convert to fraction form
    451,480.80/676,203.60 = 350,857.44/x
  3. Step 3: Cross multiply
    451,480.80x = 676,203.60 × 350,857.44
  4. Step 4: Simplify right side
    451,480.80x = 237,251,064,014.78
  5. Step 5: Solve for x
    x = 237,251,064,014.78/451,480.80
  6. Step 6: Final answer
    x = 525,495.36

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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.