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Finding the Fourth Proportional to 626,788.80, 940,188.60 and 177,519.60

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Solution

The fourth proportional to 626,788.80, 940,188.60 and 177,519.60 is: 266,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,788.80 : 940,188.60 = 177,519.60 : x
  2. Step 2: Convert to fraction form
    626,788.80/940,188.60 = 177,519.60/x
  3. Step 3: Cross multiply
    626,788.80x = 940,188.60 × 177,519.60
  4. Step 4: Simplify right side
    626,788.80x = 166,901,904,196.56
  5. Step 5: Solve for x
    x = 166,901,904,196.56/626,788.80
  6. Step 6: Final answer
    x = 266,280.93

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1.5x scale

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.