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Finding the Fourth Proportional to 557,640.42, 836,477.02 and 136,916.26

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Solution

The fourth proportional to 557,640.42, 836,477.02 and 136,916.26 is: 205,378.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,640.42 : 836,477.02 = 136,916.26 : x
  2. Step 2: Convert to fraction form
    557,640.42/836,477.02 = 136,916.26/x
  3. Step 3: Cross multiply
    557,640.42x = 836,477.02 × 136,916.26
  4. Step 4: Simplify right side
    557,640.42x = 114,527,305,154.35
  5. Step 5: Solve for x
    x = 114,527,305,154.35/557,640.42
  6. Step 6: Final answer
    x = 205,378.41

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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.