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Finding the Fourth Proportional to 536,510.87, 805,449.20 and 347,761.07

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Solution

The fourth proportional to 536,510.87, 805,449.20 and 347,761.07 is: 522,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,510.87 : 805,449.20 = 347,761.07 : x
  2. Step 2: Convert to fraction form
    536,510.87/805,449.20 = 347,761.07/x
  3. Step 3: Cross multiply
    536,510.87x = 805,449.20 × 347,761.07
  4. Step 4: Simplify right side
    536,510.87x = 280,103,876,364.95
  5. Step 5: Solve for x
    x = 280,103,876,364.95/536,510.87
  6. Step 6: Final answer
    x = 522,084.25

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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.