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Finding the Fourth Proportional to 228,938.40, 343,479.60 and 110,613.60

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Solution

The fourth proportional to 228,938.40, 343,479.60 and 110,613.60 is: 165,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,938.40 : 343,479.60 = 110,613.60 : x
  2. Step 2: Convert to fraction form
    228,938.40/343,479.60 = 110,613.60/x
  3. Step 3: Cross multiply
    228,938.40x = 343,479.60 × 110,613.60
  4. Step 4: Simplify right side
    228,938.40x = 37,993,515,082.56
  5. Step 5: Solve for x
    x = 37,993,515,082.56/228,938.40
  6. Step 6: Final answer
    x = 165,955.19

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1.5x scale

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.