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Finding the Fourth Proportional to 347,450.51, 479,458.44 and 194,462.57

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Solution

The fourth proportional to 347,450.51, 479,458.44 and 194,462.57 is: 268,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,450.51 : 479,458.44 = 194,462.57 : x
  2. Step 2: Convert to fraction form
    347,450.51/479,458.44 = 194,462.57/x
  3. Step 3: Cross multiply
    347,450.51x = 479,458.44 × 194,462.57
  4. Step 4: Simplify right side
    347,450.51x = 93,236,721,649.24
  5. Step 5: Solve for x
    x = 93,236,721,649.24/347,450.51
  6. Step 6: Final answer
    x = 268,345.33

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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.