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Finding the Fourth Proportional to 536,537.40, 805,489 and 347,787.62

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Solution

The fourth proportional to 536,537.40, 805,489 and 347,787.62 is: 522,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,537.40 : 805,489 = 347,787.62 : x
  2. Step 2: Convert to fraction form
    536,537.40/805,489 = 347,787.62/x
  3. Step 3: Cross multiply
    536,537.40x = 805,489 × 347,787.62
  4. Step 4: Simplify right side
    536,537.40x = 280,139,102,246.18
  5. Step 5: Solve for x
    x = 280,139,102,246.18/536,537.40
  6. Step 6: Final answer
    x = 522,124.09

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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.