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Finding the Fourth Proportional to 464,499.93, 640,773.54 and 303,449.25

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Solution

The fourth proportional to 464,499.93, 640,773.54 and 303,449.25 is: 418,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,499.93 : 640,773.54 = 303,449.25 : x
  2. Step 2: Convert to fraction form
    464,499.93/640,773.54 = 303,449.25/x
  3. Step 3: Cross multiply
    464,499.93x = 640,773.54 × 303,449.25
  4. Step 4: Simplify right side
    464,499.93x = 194,442,250,132.85
  5. Step 5: Solve for x
    x = 194,442,250,132.85/464,499.93
  6. Step 6: Final answer
    x = 418,605.55

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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.