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Finding the Fourth Proportional to 266,418.62, 399,358.59 and 114,714.63

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Solution

The fourth proportional to 266,418.62, 399,358.59 and 114,714.63 is: 171,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,418.62 : 399,358.59 = 114,714.63 : x
  2. Step 2: Convert to fraction form
    266,418.62/399,358.59 = 114,714.63/x
  3. Step 3: Cross multiply
    266,418.62x = 399,358.59 × 114,714.63
  4. Step 4: Simplify right side
    266,418.62x = 45,812,271,679.35
  5. Step 5: Solve for x
    x = 45,812,271,679.35/266,418.62
  6. Step 6: Final answer
    x = 171,955.97

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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.