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Finding the Fourth Proportional to 448,751.10, 672,550.70 and 195,963.06

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Solution

The fourth proportional to 448,751.10, 672,550.70 and 195,963.06 is: 293,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,751.10 : 672,550.70 = 195,963.06 : x
  2. Step 2: Convert to fraction form
    448,751.10/672,550.70 = 195,963.06/x
  3. Step 3: Cross multiply
    448,751.10x = 672,550.70 × 195,963.06
  4. Step 4: Simplify right side
    448,751.10x = 131,795,093,177.14
  5. Step 5: Solve for x
    x = 131,795,093,177.14/448,751.10
  6. Step 6: Final answer
    x = 293,693.08

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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.