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Finding the Fourth Proportional to 606,365.28, 910,178.78 and 446,621.60

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Solution

The fourth proportional to 606,365.28, 910,178.78 and 446,621.60 is: 670,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,365.28 : 910,178.78 = 446,621.60 : x
  2. Step 2: Convert to fraction form
    606,365.28/910,178.78 = 446,621.60/x
  3. Step 3: Cross multiply
    606,365.28x = 910,178.78 × 446,621.60
  4. Step 4: Simplify right side
    606,365.28x = 406,505,503,009.65
  5. Step 5: Solve for x
    x = 406,505,503,009.65/606,365.28
  6. Step 6: Final answer
    x = 670,397.06

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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.