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Finding the Fourth Proportional to 682,415.15, 941,700.04 and 372,299.27

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Solution

The fourth proportional to 682,415.15, 941,700.04 and 372,299.27 is: 513,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,415.15 : 941,700.04 = 372,299.27 : x
  2. Step 2: Convert to fraction form
    682,415.15/941,700.04 = 372,299.27/x
  3. Step 3: Cross multiply
    682,415.15x = 941,700.04 × 372,299.27
  4. Step 4: Simplify right side
    682,415.15x = 350,594,238,874.47
  5. Step 5: Solve for x
    x = 350,594,238,874.47/682,415.15
  6. Step 6: Final answer
    x = 513,755.06

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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.