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Finding the Fourth Proportional to 441,045.72, 660,955.68 and 230,263.20

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Solution

The fourth proportional to 441,045.72, 660,955.68 and 230,263.20 is: 345,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,045.72 : 660,955.68 = 230,263.20 : x
  2. Step 2: Convert to fraction form
    441,045.72/660,955.68 = 230,263.20/x
  3. Step 3: Cross multiply
    441,045.72x = 660,955.68 × 230,263.20
  4. Step 4: Simplify right side
    441,045.72x = 152,193,769,934.98
  5. Step 5: Solve for x
    x = 152,193,769,934.98/441,045.72
  6. Step 6: Final answer
    x = 345,074.81

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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.