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Finding the Fourth Proportional to 404,140.56, 606,210.90 and 179,448.18

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Solution

The fourth proportional to 404,140.56, 606,210.90 and 179,448.18 is: 269,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,140.56 : 606,210.90 = 179,448.18 : x
  2. Step 2: Convert to fraction form
    404,140.56/606,210.90 = 179,448.18/x
  3. Step 3: Cross multiply
    404,140.56x = 606,210.90 × 179,448.18
  4. Step 4: Simplify right side
    404,140.56x = 108,783,442,701.16
  5. Step 5: Solve for x
    x = 108,783,442,701.16/404,140.56
  6. Step 6: Final answer
    x = 269,172.30

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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.