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Finding the Fourth Proportional to 504,380.04, 756,680.76 and 149,421.84

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Solution

The fourth proportional to 504,380.04, 756,680.76 and 149,421.84 is: 224,165.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,380.04 : 756,680.76 = 149,421.84 : x
  2. Step 2: Convert to fraction form
    504,380.04/756,680.76 = 149,421.84/x
  3. Step 3: Cross multiply
    504,380.04x = 756,680.76 × 149,421.84
  4. Step 4: Simplify right side
    504,380.04x = 113,064,631,451.80
  5. Step 5: Solve for x
    x = 113,064,631,451.80/504,380.04
  6. Step 6: Final answer
    x = 224,165.55

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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.