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Finding the Fourth Proportional to 663,193.48, 994,051.50 and 263,727.40

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Solution

The fourth proportional to 663,193.48, 994,051.50 and 263,727.40 is: 395,297.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,193.48 : 994,051.50 = 263,727.40 : x
  2. Step 2: Convert to fraction form
    663,193.48/994,051.50 = 263,727.40/x
  3. Step 3: Cross multiply
    663,193.48x = 994,051.50 × 263,727.40
  4. Step 4: Simplify right side
    663,193.48x = 262,158,617,561.10
  5. Step 5: Solve for x
    x = 262,158,617,561.10/663,193.48
  6. Step 6: Final answer
    x = 395,297.34

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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.