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Finding the Fourth Proportional to 224,765.20, 336,491.70 and 201,145.60

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Solution

The fourth proportional to 224,765.20, 336,491.70 and 201,145.60 is: 301,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,765.20 : 336,491.70 = 201,145.60 : x
  2. Step 2: Convert to fraction form
    224,765.20/336,491.70 = 201,145.60/x
  3. Step 3: Cross multiply
    224,765.20x = 336,491.70 × 201,145.60
  4. Step 4: Simplify right side
    224,765.20x = 67,683,824,891.52
  5. Step 5: Solve for x
    x = 67,683,824,891.52/224,765.20
  6. Step 6: Final answer
    x = 301,131.25

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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.