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Finding the Fourth Proportional to 609,658.89, 841,157.43 and 351,515.54

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Solution

The fourth proportional to 609,658.89, 841,157.43 and 351,515.54 is: 484,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,658.89 : 841,157.43 = 351,515.54 : x
  2. Step 2: Convert to fraction form
    609,658.89/841,157.43 = 351,515.54/x
  3. Step 3: Cross multiply
    609,658.89x = 841,157.43 × 351,515.54
  4. Step 4: Simplify right side
    609,658.89x = 295,679,904,025.68
  5. Step 5: Solve for x
    x = 295,679,904,025.68/609,658.89
  6. Step 6: Final answer
    x = 484,992.36

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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.