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Finding the Fourth Proportional to 692,702.91, 955,677.15 and 406,167.44

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Solution

The fourth proportional to 692,702.91, 955,677.15 and 406,167.44 is: 560,362.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,702.91 : 955,677.15 = 406,167.44 : x
  2. Step 2: Convert to fraction form
    692,702.91/955,677.15 = 406,167.44/x
  3. Step 3: Cross multiply
    692,702.91x = 955,677.15 × 406,167.44
  4. Step 4: Simplify right side
    692,702.91x = 388,164,936,703.61
  5. Step 5: Solve for x
    x = 388,164,936,703.61/692,702.91
  6. Step 6: Final answer
    x = 560,362.79

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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.