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Finding the Fourth Proportional to 557,670.36, 836,503.82 and 158,311.40

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Solution

The fourth proportional to 557,670.36, 836,503.82 and 158,311.40 is: 237,466.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,670.36 : 836,503.82 = 158,311.40 : x
  2. Step 2: Convert to fraction form
    557,670.36/836,503.82 = 158,311.40/x
  3. Step 3: Cross multiply
    557,670.36x = 836,503.82 × 158,311.40
  4. Step 4: Simplify right side
    557,670.36x = 132,428,092,149.25
  5. Step 5: Solve for x
    x = 132,428,092,149.25/557,670.36
  6. Step 6: Final answer
    x = 237,466.61

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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.