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Finding the Fourth Proportional to 303,394.26, 418,683.63 and 167,428.22

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Solution

The fourth proportional to 303,394.26, 418,683.63 and 167,428.22 is: 231,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,394.26 : 418,683.63 = 167,428.22 : x
  2. Step 2: Convert to fraction form
    303,394.26/418,683.63 = 167,428.22/x
  3. Step 3: Cross multiply
    303,394.26x = 418,683.63 × 167,428.22
  4. Step 4: Simplify right side
    303,394.26x = 70,099,453,448.48
  5. Step 5: Solve for x
    x = 70,099,453,448.48/303,394.26
  6. Step 6: Final answer
    x = 231,050.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.