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Finding the Fourth Proportional to 557,598.89, 836,414.73 and 136,874.75

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Solution

The fourth proportional to 557,598.89, 836,414.73 and 136,874.75 is: 205,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,598.89 : 836,414.73 = 136,874.75 : x
  2. Step 2: Convert to fraction form
    557,598.89/836,414.73 = 136,874.75/x
  3. Step 3: Cross multiply
    557,598.89x = 836,414.73 × 136,874.75
  4. Step 4: Simplify right side
    557,598.89x = 114,484,057,065.07
  5. Step 5: Solve for x
    x = 114,484,057,065.07/557,598.89
  6. Step 6: Final answer
    x = 205,316.15

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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.