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Finding the Fourth Proportional to 536,532.65, 805,481.88 and 347,782.86

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Solution

The fourth proportional to 536,532.65, 805,481.88 and 347,782.86 is: 522,116.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,532.65 : 805,481.88 = 347,782.86 : x
  2. Step 2: Convert to fraction form
    536,532.65/805,481.88 = 347,782.86/x
  3. Step 3: Cross multiply
    536,532.65x = 805,481.88 × 347,782.86
  4. Step 4: Simplify right side
    536,532.65x = 280,132,791,904.58
  5. Step 5: Solve for x
    x = 280,132,791,904.58/536,532.65
  6. Step 6: Final answer
    x = 522,116.95

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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.