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Finding the Fourth Proportional to 373,790.28, 515,847.42 and 210,502.92

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Solution

The fourth proportional to 373,790.28, 515,847.42 and 210,502.92 is: 290,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,790.28 : 515,847.42 = 210,502.92 : x
  2. Step 2: Convert to fraction form
    373,790.28/515,847.42 = 210,502.92/x
  3. Step 3: Cross multiply
    373,790.28x = 515,847.42 × 210,502.92
  4. Step 4: Simplify right side
    373,790.28x = 108,587,388,184.47
  5. Step 5: Solve for x
    x = 108,587,388,184.47/373,790.28
  6. Step 6: Final answer
    x = 290,503.51

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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.