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Finding the Fourth Proportional to 696,702.15, 961,537.91 and 410,248.89

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Solution

The fourth proportional to 696,702.15, 961,537.91 and 410,248.89 is: 566,195.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,702.15 : 961,537.91 = 410,248.89 : x
  2. Step 2: Convert to fraction form
    696,702.15/961,537.91 = 410,248.89/x
  3. Step 3: Cross multiply
    696,702.15x = 961,537.91 × 410,248.89
  4. Step 4: Simplify right side
    696,702.15x = 394,469,858,219.18
  5. Step 5: Solve for x
    x = 394,469,858,219.18/696,702.15
  6. Step 6: Final answer
    x = 566,195.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.