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Finding the Fourth Proportional to 479,224.98, 718,567.65 and 159,205.50

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Solution

The fourth proportional to 479,224.98, 718,567.65 and 159,205.50 is: 238,718.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,224.98 : 718,567.65 = 159,205.50 : x
  2. Step 2: Convert to fraction form
    479,224.98/718,567.65 = 159,205.50/x
  3. Step 3: Cross multiply
    479,224.98x = 718,567.65 × 159,205.50
  4. Step 4: Simplify right side
    479,224.98x = 114,399,922,002.08
  5. Step 5: Solve for x
    x = 114,399,922,002.08/479,224.98
  6. Step 6: Final answer
    x = 238,718.61

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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.