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Finding the Fourth Proportional to 474,408.38, 654,672.33 and 259,550.21

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Solution

The fourth proportional to 474,408.38, 654,672.33 and 259,550.21 is: 358,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,408.38 : 654,672.33 = 259,550.21 : x
  2. Step 2: Convert to fraction form
    474,408.38/654,672.33 = 259,550.21/x
  3. Step 3: Cross multiply
    474,408.38x = 654,672.33 × 259,550.21
  4. Step 4: Simplify right side
    474,408.38x = 169,920,342,369.37
  5. Step 5: Solve for x
    x = 169,920,342,369.37/474,408.38
  6. Step 6: Final answer
    x = 358,173.14

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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.