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Finding the Fourth Proportional to 404,810.07, 607,217.19 and 168,153

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Solution

The fourth proportional to 404,810.07, 607,217.19 and 168,153 is: 252,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,810.07 : 607,217.19 = 168,153 : x
  2. Step 2: Convert to fraction form
    404,810.07/607,217.19 = 168,153/x
  3. Step 3: Cross multiply
    404,810.07x = 607,217.19 × 168,153
  4. Step 4: Simplify right side
    404,810.07x = 102,105,392,150.07
  5. Step 5: Solve for x
    x = 102,105,392,150.07/404,810.07
  6. Step 6: Final answer
    x = 252,230.37

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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.