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Finding the Fourth Proportional to 335,423.40, 503,523.90 and 202,453.80

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Solution

The fourth proportional to 335,423.40, 503,523.90 and 202,453.80 is: 303,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,423.40 : 503,523.90 = 202,453.80 : x
  2. Step 2: Convert to fraction form
    335,423.40/503,523.90 = 202,453.80/x
  3. Step 3: Cross multiply
    335,423.40x = 503,523.90 × 202,453.80
  4. Step 4: Simplify right side
    335,423.40x = 101,940,326,945.82
  5. Step 5: Solve for x
    x = 101,940,326,945.82/335,423.40
  6. Step 6: Final answer
    x = 303,915.37

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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.