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Finding the Fourth Proportional to 626,593.37, 940,043.16 and 200,129.27

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Solution

The fourth proportional to 626,593.37, 940,043.16 and 200,129.27 is: 300,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,593.37 : 940,043.16 = 200,129.27 : x
  2. Step 2: Convert to fraction form
    626,593.37/940,043.16 = 200,129.27/x
  3. Step 3: Cross multiply
    626,593.37x = 940,043.16 × 200,129.27
  4. Step 4: Simplify right side
    626,593.37x = 188,130,146,679.08
  5. Step 5: Solve for x
    x = 188,130,146,679.08/626,593.37
  6. Step 6: Final answer
    x = 300,242.80

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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.