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Finding the Fourth Proportional to 557,669.64, 836,502.78 and 158,310.76

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Solution

The fourth proportional to 557,669.64, 836,502.78 and 158,310.76 is: 237,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,669.64 : 836,502.78 = 158,310.76 : x
  2. Step 2: Convert to fraction form
    557,669.64/836,502.78 = 158,310.76/x
  3. Step 3: Cross multiply
    557,669.64x = 836,502.78 × 158,310.76
  4. Step 4: Simplify right side
    557,669.64x = 132,427,390,843.91
  5. Step 5: Solve for x
    x = 132,427,390,843.91/557,669.64
  6. Step 6: Final answer
    x = 237,465.66

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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.