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Finding the Fourth Proportional to 658,447.94, 987,448.32 and 185,023.22

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Solution

The fourth proportional to 658,447.94, 987,448.32 and 185,023.22 is: 277,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,447.94 : 987,448.32 = 185,023.22 : x
  2. Step 2: Convert to fraction form
    658,447.94/987,448.32 = 185,023.22/x
  3. Step 3: Cross multiply
    658,447.94x = 987,448.32 × 185,023.22
  4. Step 4: Simplify right side
    658,447.94x = 182,700,867,749.99
  5. Step 5: Solve for x
    x = 182,700,867,749.99/658,447.94
  6. Step 6: Final answer
    x = 277,472.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.