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Finding the Fourth Proportional to 507,233.22, 699,973.20 and 280,873.86

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Solution

The fourth proportional to 507,233.22, 699,973.20 and 280,873.86 is: 387,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,233.22 : 699,973.20 = 280,873.86 : x
  2. Step 2: Convert to fraction form
    507,233.22/699,973.20 = 280,873.86/x
  3. Step 3: Cross multiply
    507,233.22x = 699,973.20 × 280,873.86
  4. Step 4: Simplify right side
    507,233.22x = 196,604,174,580.55
  5. Step 5: Solve for x
    x = 196,604,174,580.55/507,233.22
  6. Step 6: Final answer
    x = 387,601.14

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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.