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Finding the Fourth Proportional to 606,361.96, 910,173.78 and 446,618.28

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Solution

The fourth proportional to 606,361.96, 910,173.78 and 446,618.28 is: 670,392.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,361.96 : 910,173.78 = 446,618.28 : x
  2. Step 2: Convert to fraction form
    606,361.96/910,173.78 = 446,618.28/x
  3. Step 3: Cross multiply
    606,361.96x = 910,173.78 × 446,618.28
  4. Step 4: Simplify right side
    606,361.96x = 406,500,248,124.70
  5. Step 5: Solve for x
    x = 406,500,248,124.70/606,361.96
  6. Step 6: Final answer
    x = 670,392.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.