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Finding the Fourth Proportional to 518,582.33, 777,364.88 and 248,633.85

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Solution

The fourth proportional to 518,582.33, 777,364.88 and 248,633.85 is: 372,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,582.33 : 777,364.88 = 248,633.85 : x
  2. Step 2: Convert to fraction form
    518,582.33/777,364.88 = 248,633.85/x
  3. Step 3: Cross multiply
    518,582.33x = 777,364.88 × 248,633.85
  4. Step 4: Simplify right side
    518,582.33x = 193,279,221,726.02
  5. Step 5: Solve for x
    x = 193,279,221,726.02/518,582.33
  6. Step 6: Final answer
    x = 372,706.92

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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.