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Finding the Fourth Proportional to 611,216.52, 916,831.10 and 184,755.88

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Solution

The fourth proportional to 611,216.52, 916,831.10 and 184,755.88 is: 277,135.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,216.52 : 916,831.10 = 184,755.88 : x
  2. Step 2: Convert to fraction form
    611,216.52/916,831.10 = 184,755.88/x
  3. Step 3: Cross multiply
    611,216.52x = 916,831.10 × 184,755.88
  4. Step 4: Simplify right side
    611,216.52x = 169,389,936,691.87
  5. Step 5: Solve for x
    x = 169,389,936,691.87/611,216.52
  6. Step 6: Final answer
    x = 277,135.73

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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.