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Finding the Fourth Proportional to 557,671.86, 836,506.07 and 158,312.90

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Solution

The fourth proportional to 557,671.86, 836,506.07 and 158,312.90 is: 237,468.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,671.86 : 836,506.07 = 158,312.90 : x
  2. Step 2: Convert to fraction form
    557,671.86/836,506.07 = 158,312.90/x
  3. Step 3: Cross multiply
    557,671.86x = 836,506.07 × 158,312.90
  4. Step 4: Simplify right side
    557,671.86x = 132,429,703,702.68
  5. Step 5: Solve for x
    x = 132,429,703,702.68/557,671.86
  6. Step 6: Final answer
    x = 237,468.87

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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.