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Finding the Fourth Proportional to 541,662.16, 747,491.88 and 303,198.16

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Solution

The fourth proportional to 541,662.16, 747,491.88 and 303,198.16 is: 418,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,662.16 : 747,491.88 = 303,198.16 : x
  2. Step 2: Convert to fraction form
    541,662.16/747,491.88 = 303,198.16/x
  3. Step 3: Cross multiply
    541,662.16x = 747,491.88 × 303,198.16
  4. Step 4: Simplify right side
    541,662.16x = 226,638,162,630.94
  5. Step 5: Solve for x
    x = 226,638,162,630.94/541,662.16
  6. Step 6: Final answer
    x = 418,412.40

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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.