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Finding the Fourth Proportional to 536,553.01, 805,512.39 and 347,803.12

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Solution

The fourth proportional to 536,553.01, 805,512.39 and 347,803.12 is: 522,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,553.01 : 805,512.39 = 347,803.12 : x
  2. Step 2: Convert to fraction form
    536,553.01/805,512.39 = 347,803.12/x
  3. Step 3: Cross multiply
    536,553.01x = 805,512.39 × 347,803.12
  4. Step 4: Simplify right side
    536,553.01x = 280,159,722,440.66
  5. Step 5: Solve for x
    x = 280,159,722,440.66/536,553.01
  6. Step 6: Final answer
    x = 522,147.33

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1.5x scale

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.