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Finding the Fourth Proportional to 533,455.35, 736,997.27 and 447,280.71

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Solution

The fourth proportional to 533,455.35, 736,997.27 and 447,280.71 is: 617,942.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,455.35 : 736,997.27 = 447,280.71 : x
  2. Step 2: Convert to fraction form
    533,455.35/736,997.27 = 447,280.71/x
  3. Step 3: Cross multiply
    533,455.35x = 736,997.27 × 447,280.71
  4. Step 4: Simplify right side
    533,455.35x = 329,644,659,957.26
  5. Step 5: Solve for x
    x = 329,644,659,957.26/533,455.35
  6. Step 6: Final answer
    x = 617,942.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.