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Finding the Fourth Proportional to 1,003,699.04, 1,505,843.39 and 404,351.96

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Solution

The fourth proportional to 1,003,699.04, 1,505,843.39 and 404,351.96 is: 606,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,699.04 : 1,505,843.39 = 404,351.96 : x
  2. Step 2: Convert to fraction form
    1,003,699.04/1,505,843.39 = 404,351.96/x
  3. Step 3: Cross multiply
    1,003,699.04x = 1,505,843.39 × 404,351.96
  4. Step 4: Simplify right side
    1,003,699.04x = 608,890,719,681.21
  5. Step 5: Solve for x
    x = 608,890,719,681.21/1,003,699.04
  6. Step 6: Final answer
    x = 606,646.71

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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.