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Finding the Fourth Proportional to 606,360.77, 910,172 and 446,617.07

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Solution

The fourth proportional to 606,360.77, 910,172 and 446,617.07 is: 670,390.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,360.77 : 910,172 = 446,617.07 : x
  2. Step 2: Convert to fraction form
    606,360.77/910,172 = 446,617.07/x
  3. Step 3: Cross multiply
    606,360.77x = 910,172 × 446,617.07
  4. Step 4: Simplify right side
    606,360.77x = 406,498,351,836.04
  5. Step 5: Solve for x
    x = 406,498,351,836.04/606,360.77
  6. Step 6: Final answer
    x = 670,390.26

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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.