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Finding the Fourth Proportional to 440,348.82, 660,785.66 and 159,887.94

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Solution

The fourth proportional to 440,348.82, 660,785.66 and 159,887.94 is: 239,927.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,348.82 : 660,785.66 = 159,887.94 : x
  2. Step 2: Convert to fraction form
    440,348.82/660,785.66 = 159,887.94/x
  3. Step 3: Cross multiply
    440,348.82x = 660,785.66 × 159,887.94
  4. Step 4: Simplify right side
    440,348.82x = 105,651,657,958.94
  5. Step 5: Solve for x
    x = 105,651,657,958.94/440,348.82
  6. Step 6: Final answer
    x = 239,927.20

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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.