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Finding the Fourth Proportional to 343,770.57, 474,396.23 and 190,799.79

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Solution

The fourth proportional to 343,770.57, 474,396.23 and 190,799.79 is: 263,299.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,770.57 : 474,396.23 = 190,799.79 : x
  2. Step 2: Convert to fraction form
    343,770.57/474,396.23 = 190,799.79/x
  3. Step 3: Cross multiply
    343,770.57x = 474,396.23 × 190,799.79
  4. Step 4: Simplify right side
    343,770.57x = 90,514,699,758.81
  5. Step 5: Solve for x
    x = 90,514,699,758.81/343,770.57
  6. Step 6: Final answer
    x = 263,299.73

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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.