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Finding the Fourth Proportional to 469,861.02, 704,791.52 and 114,870.82

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Solution

The fourth proportional to 469,861.02, 704,791.52 and 114,870.82 is: 172,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,861.02 : 704,791.52 = 114,870.82 : x
  2. Step 2: Convert to fraction form
    469,861.02/704,791.52 = 114,870.82/x
  3. Step 3: Cross multiply
    469,861.02x = 704,791.52 × 114,870.82
  4. Step 4: Simplify right side
    469,861.02x = 80,959,979,831.45
  5. Step 5: Solve for x
    x = 80,959,979,831.45/469,861.02
  6. Step 6: Final answer
    x = 172,306.23

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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.