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Finding the Fourth Proportional to 338,613.36, 467,191.80 and 266,770.36

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Solution

The fourth proportional to 338,613.36, 467,191.80 and 266,770.36 is: 368,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,613.36 : 467,191.80 = 266,770.36 : x
  2. Step 2: Convert to fraction form
    338,613.36/467,191.80 = 266,770.36/x
  3. Step 3: Cross multiply
    338,613.36x = 467,191.80 × 266,770.36
  4. Step 4: Simplify right side
    338,613.36x = 124,632,924,675.05
  5. Step 5: Solve for x
    x = 124,632,924,675.05/338,613.36
  6. Step 6: Final answer
    x = 368,068.54

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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.