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Finding the Fourth Proportional to 431,279.01, 595,165.55 and 250,096.23

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Solution

The fourth proportional to 431,279.01, 595,165.55 and 250,096.23 is: 345,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,279.01 : 595,165.55 = 250,096.23 : x
  2. Step 2: Convert to fraction form
    431,279.01/595,165.55 = 250,096.23/x
  3. Step 3: Cross multiply
    431,279.01x = 595,165.55 × 250,096.23
  4. Step 4: Simplify right side
    431,279.01x = 148,848,659,030.40
  5. Step 5: Solve for x
    x = 148,848,659,030.40/431,279.01
  6. Step 6: Final answer
    x = 345,133.09

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.