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Finding the Fourth Proportional to 404,342.81, 606,887.72 and 204,803.32

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Solution

The fourth proportional to 404,342.81, 606,887.72 and 204,803.32 is: 307,394.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,342.81 : 606,887.72 = 204,803.32 : x
  2. Step 2: Convert to fraction form
    404,342.81/606,887.72 = 204,803.32/x
  3. Step 3: Cross multiply
    404,342.81x = 606,887.72 × 204,803.32
  4. Step 4: Simplify right side
    404,342.81x = 124,292,621,272.22
  5. Step 5: Solve for x
    x = 124,292,621,272.22/404,342.81
  6. Step 6: Final answer
    x = 307,394.17

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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.