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Finding the Fourth Proportional to 463,848.04, 640,236.42 and 272,923

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Solution

The fourth proportional to 463,848.04, 640,236.42 and 272,923 is: 376,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,848.04 : 640,236.42 = 272,923 : x
  2. Step 2: Convert to fraction form
    463,848.04/640,236.42 = 272,923/x
  3. Step 3: Cross multiply
    463,848.04x = 640,236.42 × 272,923
  4. Step 4: Simplify right side
    463,848.04x = 174,735,244,455.66
  5. Step 5: Solve for x
    x = 174,735,244,455.66/463,848.04
  6. Step 6: Final answer
    x = 376,707.95

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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.