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Finding the Fourth Proportional to 271,752.37, 407,234.89 and 153,171.40

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Solution

The fourth proportional to 271,752.37, 407,234.89 and 153,171.40 is: 229,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,752.37 : 407,234.89 = 153,171.40 : x
  2. Step 2: Convert to fraction form
    271,752.37/407,234.89 = 153,171.40/x
  3. Step 3: Cross multiply
    271,752.37x = 407,234.89 × 153,171.40
  4. Step 4: Simplify right side
    271,752.37x = 62,376,738,230.15
  5. Step 5: Solve for x
    x = 62,376,738,230.15/271,752.37
  6. Step 6: Final answer
    x = 229,535.21

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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.