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Finding the Fourth Proportional to 609,571.86, 841,217.85 and 351,443.69

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Solution

The fourth proportional to 609,571.86, 841,217.85 and 351,443.69 is: 484,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,571.86 : 841,217.85 = 351,443.69 : x
  2. Step 2: Convert to fraction form
    609,571.86/841,217.85 = 351,443.69/x
  3. Step 3: Cross multiply
    609,571.86x = 841,217.85 × 351,443.69
  4. Step 4: Simplify right side
    609,571.86x = 295,640,707,400.91
  5. Step 5: Solve for x
    x = 295,640,707,400.91/609,571.86
  6. Step 6: Final answer
    x = 484,997.30

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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.