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Finding the Fourth Proportional to 404,637.10, 606,870.60 and 204,769.60

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Solution

The fourth proportional to 404,637.10, 606,870.60 and 204,769.60 is: 307,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,637.10 : 606,870.60 = 204,769.60 : x
  2. Step 2: Convert to fraction form
    404,637.10/606,870.60 = 204,769.60/x
  3. Step 3: Cross multiply
    404,637.10x = 606,870.60 × 204,769.60
  4. Step 4: Simplify right side
    404,637.10x = 124,268,650,013.76
  5. Step 5: Solve for x
    x = 124,268,650,013.76/404,637.10
  6. Step 6: Final answer
    x = 307,111.36

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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.