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Finding the Fourth Proportional to 410,886.33, 616,329.48 and 111,366.92

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Solution

The fourth proportional to 410,886.33, 616,329.48 and 111,366.92 is: 167,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,886.33 : 616,329.48 = 111,366.92 : x
  2. Step 2: Convert to fraction form
    410,886.33/616,329.48 = 111,366.92/x
  3. Step 3: Cross multiply
    410,886.33x = 616,329.48 × 111,366.92
  4. Step 4: Simplify right side
    410,886.33x = 68,638,712,811.15
  5. Step 5: Solve for x
    x = 68,638,712,811.15/410,886.33
  6. Step 6: Final answer
    x = 167,050.37

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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.