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Finding the Fourth Proportional to 626,958.60, 940,437.90 and 183,726.60

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Solution

The fourth proportional to 626,958.60, 940,437.90 and 183,726.60 is: 275,589.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,958.60 : 940,437.90 = 183,726.60 : x
  2. Step 2: Convert to fraction form
    626,958.60/940,437.90 = 183,726.60/x
  3. Step 3: Cross multiply
    626,958.60x = 940,437.90 × 183,726.60
  4. Step 4: Simplify right side
    626,958.60x = 172,783,457,878.14
  5. Step 5: Solve for x
    x = 172,783,457,878.14/626,958.60
  6. Step 6: Final answer
    x = 275,589.90

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Similar ratio
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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.