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Finding the Fourth Proportional to 447,591.02, 617,683.46 and 243,647.80

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Solution

The fourth proportional to 447,591.02, 617,683.46 and 243,647.80 is: 336,238.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,591.02 : 617,683.46 = 243,647.80 : x
  2. Step 2: Convert to fraction form
    447,591.02/617,683.46 = 243,647.80/x
  3. Step 3: Cross multiply
    447,591.02x = 617,683.46 × 243,647.80
  4. Step 4: Simplify right side
    447,591.02x = 150,497,216,125.39
  5. Step 5: Solve for x
    x = 150,497,216,125.39/447,591.02
  6. Step 6: Final answer
    x = 336,238.24

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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.