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Finding the Fourth Proportional to 373,536.22, 515,478.90 and 203,769.12

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Solution

The fourth proportional to 373,536.22, 515,478.90 and 203,769.12 is: 281,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,536.22 : 515,478.90 = 203,769.12 : x
  2. Step 2: Convert to fraction form
    373,536.22/515,478.90 = 203,769.12/x
  3. Step 3: Cross multiply
    373,536.22x = 515,478.90 × 203,769.12
  4. Step 4: Simplify right side
    373,536.22x = 105,038,681,831.57
  5. Step 5: Solve for x
    x = 105,038,681,831.57/373,536.22
  6. Step 6: Final answer
    x = 281,200.79

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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.