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Finding the Fourth Proportional to 373,317.70, 559,976.55 and 123,999.70

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Solution

The fourth proportional to 373,317.70, 559,976.55 and 123,999.70 is: 185,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,317.70 : 559,976.55 = 123,999.70 : x
  2. Step 2: Convert to fraction form
    373,317.70/559,976.55 = 123,999.70/x
  3. Step 3: Cross multiply
    373,317.70x = 559,976.55 × 123,999.70
  4. Step 4: Simplify right side
    373,317.70x = 69,436,924,207.04
  5. Step 5: Solve for x
    x = 69,436,924,207.04/373,317.70
  6. Step 6: Final answer
    x = 185,999.55

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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.