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Finding the Fourth Proportional to 404,284.35, 606,918.60 and 204,501.90

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Solution

The fourth proportional to 404,284.35, 606,918.60 and 204,501.90 is: 307,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,284.35 : 606,918.60 = 204,501.90 : x
  2. Step 2: Convert to fraction form
    404,284.35/606,918.60 = 204,501.90/x
  3. Step 3: Cross multiply
    404,284.35x = 606,918.60 × 204,501.90
  4. Step 4: Simplify right side
    404,284.35x = 124,116,006,845.34
  5. Step 5: Solve for x
    x = 124,116,006,845.34/404,284.35
  6. Step 6: Final answer
    x = 307,001.76

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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.