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Finding the Fourth Proportional to 557,792.93, 836,356.79 and 220,881.94

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Solution

The fourth proportional to 557,792.93, 836,356.79 and 220,881.94 is: 331,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,792.93 : 836,356.79 = 220,881.94 : x
  2. Step 2: Convert to fraction form
    557,792.93/836,356.79 = 220,881.94/x
  3. Step 3: Cross multiply
    557,792.93x = 836,356.79 × 220,881.94
  4. Step 4: Simplify right side
    557,792.93x = 184,736,108,768.69
  5. Step 5: Solve for x
    x = 184,736,108,768.69/557,792.93
  6. Step 6: Final answer
    x = 331,191.20

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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.