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Finding the Fourth Proportional to 404,273.40, 606,411.90 and 104,732.70

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Solution

The fourth proportional to 404,273.40, 606,411.90 and 104,732.70 is: 157,099.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,273.40 : 606,411.90 = 104,732.70 : x
  2. Step 2: Convert to fraction form
    404,273.40/606,411.90 = 104,732.70/x
  3. Step 3: Cross multiply
    404,273.40x = 606,411.90 × 104,732.70
  4. Step 4: Simplify right side
    404,273.40x = 63,511,155,599.13
  5. Step 5: Solve for x
    x = 63,511,155,599.13/404,273.40
  6. Step 6: Final answer
    x = 157,099.52

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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.