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Finding the Fourth Proportional to 407,683.23, 611,453.76 and 108,194.08

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Solution

The fourth proportional to 407,683.23, 611,453.76 and 108,194.08 is: 162,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,683.23 : 611,453.76 = 108,194.08 : x
  2. Step 2: Convert to fraction form
    407,683.23/611,453.76 = 108,194.08/x
  3. Step 3: Cross multiply
    407,683.23x = 611,453.76 × 108,194.08
  4. Step 4: Simplify right side
    407,683.23x = 66,155,676,846.45
  5. Step 5: Solve for x
    x = 66,155,676,846.45/407,683.23
  6. Step 6: Final answer
    x = 162,272.26

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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.