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Finding the Fourth Proportional to 360,479.16, 540,456.30 and 173,271.96

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Solution

The fourth proportional to 360,479.16, 540,456.30 and 173,271.96 is: 259,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,479.16 : 540,456.30 = 173,271.96 : x
  2. Step 2: Convert to fraction form
    360,479.16/540,456.30 = 173,271.96/x
  3. Step 3: Cross multiply
    360,479.16x = 540,456.30 × 173,271.96
  4. Step 4: Simplify right side
    360,479.16x = 93,645,922,395.35
  5. Step 5: Solve for x
    x = 93,645,922,395.35/360,479.16
  6. Step 6: Final answer
    x = 259,781.79

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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.