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Finding the Fourth Proportional to 672,502.20, 928,025.10 and 366,571.86

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Solution

The fourth proportional to 672,502.20, 928,025.10 and 366,571.86 is: 505,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,502.20 : 928,025.10 = 366,571.86 : x
  2. Step 2: Convert to fraction form
    672,502.20/928,025.10 = 366,571.86/x
  3. Step 3: Cross multiply
    672,502.20x = 928,025.10 × 366,571.86
  4. Step 4: Simplify right side
    672,502.20x = 340,187,887,033.69
  5. Step 5: Solve for x
    x = 340,187,887,033.69/672,502.20
  6. Step 6: Final answer
    x = 505,853.94

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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.