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Finding the Fourth Proportional to 440,714.28, 660,953.34 and 191,337

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Solution

The fourth proportional to 440,714.28, 660,953.34 and 191,337 is: 286,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,714.28 : 660,953.34 = 191,337 : x
  2. Step 2: Convert to fraction form
    440,714.28/660,953.34 = 191,337/x
  3. Step 3: Cross multiply
    440,714.28x = 660,953.34 × 191,337
  4. Step 4: Simplify right side
    440,714.28x = 126,464,829,215.58
  5. Step 5: Solve for x
    x = 126,464,829,215.58/440,714.28
  6. Step 6: Final answer
    x = 286,954.24

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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.