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Finding the Fourth Proportional to 404,702.67, 558,490.89 and 220,941.53

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Solution

The fourth proportional to 404,702.67, 558,490.89 and 220,941.53 is: 304,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,702.67 : 558,490.89 = 220,941.53 : x
  2. Step 2: Convert to fraction form
    404,702.67/558,490.89 = 220,941.53/x
  3. Step 3: Cross multiply
    404,702.67x = 558,490.89 × 220,941.53
  4. Step 4: Simplify right side
    404,702.67x = 123,393,832,807.44
  5. Step 5: Solve for x
    x = 123,393,832,807.44/404,702.67
  6. Step 6: Final answer
    x = 304,899.97

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1.5x scale

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.