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Finding the Fourth Proportional to 626,702.80, 940,054.20 and 205,877.20

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Solution

The fourth proportional to 626,702.80, 940,054.20 and 205,877.20 is: 308,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,702.80 : 940,054.20 = 205,877.20 : x
  2. Step 2: Convert to fraction form
    626,702.80/940,054.20 = 205,877.20/x
  3. Step 3: Cross multiply
    626,702.80x = 940,054.20 × 205,877.20
  4. Step 4: Simplify right side
    626,702.80x = 193,535,726,544.24
  5. Step 5: Solve for x
    x = 193,535,726,544.24/626,702.80
  6. Step 6: Final answer
    x = 308,815.80

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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.