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Finding the Fourth Proportional to 404,862.50, 606,879.02 and 168,342.50

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Solution

The fourth proportional to 404,862.50, 606,879.02 and 168,342.50 is: 252,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,862.50 : 606,879.02 = 168,342.50 : x
  2. Step 2: Convert to fraction form
    404,862.50/606,879.02 = 168,342.50/x
  3. Step 3: Cross multiply
    404,862.50x = 606,879.02 × 168,342.50
  4. Step 4: Simplify right side
    404,862.50x = 102,163,531,424.35
  5. Step 5: Solve for x
    x = 102,163,531,424.35/404,862.50
  6. Step 6: Final answer
    x = 252,341.30

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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.