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Finding the Fourth Proportional to 453,351.96, 679,969.61 and 153,820.44

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Solution

The fourth proportional to 453,351.96, 679,969.61 and 153,820.44 is: 230,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,351.96 : 679,969.61 = 153,820.44 : x
  2. Step 2: Convert to fraction form
    453,351.96/679,969.61 = 153,820.44/x
  3. Step 3: Cross multiply
    453,351.96x = 679,969.61 × 153,820.44
  4. Step 4: Simplify right side
    453,351.96x = 104,593,223,827.73
  5. Step 5: Solve for x
    x = 104,593,223,827.73/453,351.96
  6. Step 6: Final answer
    x = 230,710.87

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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.