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Finding the Fourth Proportional to 395,593.40, 593,850.90 and 237,999.80

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Solution

The fourth proportional to 395,593.40, 593,850.90 and 237,999.80 is: 357,276.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,593.40 : 593,850.90 = 237,999.80 : x
  2. Step 2: Convert to fraction form
    395,593.40/593,850.90 = 237,999.80/x
  3. Step 3: Cross multiply
    395,593.40x = 593,850.90 × 237,999.80
  4. Step 4: Simplify right side
    395,593.40x = 141,336,395,429.82
  5. Step 5: Solve for x
    x = 141,336,395,429.82/395,593.40
  6. Step 6: Final answer
    x = 357,276.93

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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.