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Finding the Fourth Proportional to 494,380.32, 741,681.84 and 174,554.88

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Solution

The fourth proportional to 494,380.32, 741,681.84 and 174,554.88 is: 261,871.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,380.32 : 741,681.84 = 174,554.88 : x
  2. Step 2: Convert to fraction form
    494,380.32/741,681.84 = 174,554.88/x
  3. Step 3: Cross multiply
    494,380.32x = 741,681.84 × 174,554.88
  4. Step 4: Simplify right side
    494,380.32x = 129,464,184,579.38
  5. Step 5: Solve for x
    x = 129,464,184,579.38/494,380.32
  6. Step 6: Final answer
    x = 261,871.64

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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.