Home / 349,470.09-482,431.20-263,464.03

Finding the Fourth Proportional to 349,470.09, 482,431.20 and 263,464.03

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Solution

The fourth proportional to 349,470.09, 482,431.20 and 263,464.03 is: 363,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,470.09 : 482,431.20 = 263,464.03 : x
  2. Step 2: Convert to fraction form
    349,470.09/482,431.20 = 263,464.03/x
  3. Step 3: Cross multiply
    349,470.09x = 482,431.20 × 263,464.03
  4. Step 4: Simplify right side
    349,470.09x = 127,103,266,943.66
  5. Step 5: Solve for x
    x = 127,103,266,943.66/349,470.09
  6. Step 6: Final answer
    x = 363,702.85

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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.