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Finding the Fourth Proportional to 679,625.69, 937,910.48 and 373,727.15

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Solution

The fourth proportional to 679,625.69, 937,910.48 and 373,727.15 is: 515,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,625.69 : 937,910.48 = 373,727.15 : x
  2. Step 2: Convert to fraction form
    679,625.69/937,910.48 = 373,727.15/x
  3. Step 3: Cross multiply
    679,625.69x = 937,910.48 × 373,727.15
  4. Step 4: Simplify right side
    679,625.69x = 350,522,608,776.90
  5. Step 5: Solve for x
    x = 350,522,608,776.90/679,625.69
  6. Step 6: Final answer
    x = 515,758.33

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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.