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Finding the Fourth Proportional to 606,876.75, 837,491.67 and 331,237.15

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Solution

The fourth proportional to 606,876.75, 837,491.67 and 331,237.15 is: 457,108.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,876.75 : 837,491.67 = 331,237.15 : x
  2. Step 2: Convert to fraction form
    606,876.75/837,491.67 = 331,237.15/x
  3. Step 3: Cross multiply
    606,876.75x = 837,491.67 × 331,237.15
  4. Step 4: Simplify right side
    606,876.75x = 277,408,351,825.81
  5. Step 5: Solve for x
    x = 277,408,351,825.81/606,876.75
  6. Step 6: Final answer
    x = 457,108.22

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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.