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Finding the Fourth Proportional to 479,603.85, 661,853.44 and 264,744.06

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Solution

The fourth proportional to 479,603.85, 661,853.44 and 264,744.06 is: 365,346.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,603.85 : 661,853.44 = 264,744.06 : x
  2. Step 2: Convert to fraction form
    479,603.85/661,853.44 = 264,744.06/x
  3. Step 3: Cross multiply
    479,603.85x = 661,853.44 × 264,744.06
  4. Step 4: Simplify right side
    479,603.85x = 175,221,763,852.21
  5. Step 5: Solve for x
    x = 175,221,763,852.21/479,603.85
  6. Step 6: Final answer
    x = 365,346.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.