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Finding the Fourth Proportional to 271,674.74, 407,345.95 and 129,563.48

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Solution

The fourth proportional to 271,674.74, 407,345.95 and 129,563.48 is: 194,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,674.74 : 407,345.95 = 129,563.48 : x
  2. Step 2: Convert to fraction form
    271,674.74/407,345.95 = 129,563.48/x
  3. Step 3: Cross multiply
    271,674.74x = 407,345.95 × 129,563.48
  4. Step 4: Simplify right side
    271,674.74x = 52,777,159,540.36
  5. Step 5: Solve for x
    x = 52,777,159,540.36/271,674.74
  6. Step 6: Final answer
    x = 194,265.98

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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.