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Finding the Fourth Proportional to 504,279.49, 756,426.80 and 149,328.85

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Solution

The fourth proportional to 504,279.49, 756,426.80 and 149,328.85 is: 223,995.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,279.49 : 756,426.80 = 149,328.85 : x
  2. Step 2: Convert to fraction form
    504,279.49/756,426.80 = 149,328.85/x
  3. Step 3: Cross multiply
    504,279.49x = 756,426.80 × 149,328.85
  4. Step 4: Simplify right side
    504,279.49x = 112,956,344,153.18
  5. Step 5: Solve for x
    x = 112,956,344,153.18/504,279.49
  6. Step 6: Final answer
    x = 223,995.52

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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.