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Finding the Fourth Proportional to 303,027.18, 418,174.09 and 173,968.71

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Solution

The fourth proportional to 303,027.18, 418,174.09 and 173,968.71 is: 240,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,027.18 : 418,174.09 = 173,968.71 : x
  2. Step 2: Convert to fraction form
    303,027.18/418,174.09 = 173,968.71/x
  3. Step 3: Cross multiply
    303,027.18x = 418,174.09 × 173,968.71
  4. Step 4: Simplify right side
    303,027.18x = 72,749,208,320.45
  5. Step 5: Solve for x
    x = 72,749,208,320.45/303,027.18
  6. Step 6: Final answer
    x = 240,074.86

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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.