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Finding the Fourth Proportional to 437,554.32, 603,958.46 and 253,839.30

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Solution

The fourth proportional to 437,554.32, 603,958.46 and 253,839.30 is: 350,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,554.32 : 603,958.46 = 253,839.30 : x
  2. Step 2: Convert to fraction form
    437,554.32/603,958.46 = 253,839.30/x
  3. Step 3: Cross multiply
    437,554.32x = 603,958.46 × 253,839.30
  4. Step 4: Simplify right side
    437,554.32x = 153,308,391,446.28
  5. Step 5: Solve for x
    x = 153,308,391,446.28/437,554.32
  6. Step 6: Final answer
    x = 350,375.68

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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.