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Finding the Fourth Proportional to 339,622.06, 468,683.29 and 186,674.39

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Solution

The fourth proportional to 339,622.06, 468,683.29 and 186,674.39 is: 257,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,622.06 : 468,683.29 = 186,674.39 : x
  2. Step 2: Convert to fraction form
    339,622.06/468,683.29 = 186,674.39/x
  3. Step 3: Cross multiply
    339,622.06x = 468,683.29 × 186,674.39
  4. Step 4: Simplify right side
    339,622.06x = 87,491,168,902.34
  5. Step 5: Solve for x
    x = 87,491,168,902.34/339,622.06
  6. Step 6: Final answer
    x = 257,613.33

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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.