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Finding the Fourth Proportional to 464,003.30, 696,004.40 and 127,046.54

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Solution

The fourth proportional to 464,003.30, 696,004.40 and 127,046.54 is: 190,569.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,003.30 : 696,004.40 = 127,046.54 : x
  2. Step 2: Convert to fraction form
    464,003.30/696,004.40 = 127,046.54/x
  3. Step 3: Cross multiply
    464,003.30x = 696,004.40 × 127,046.54
  4. Step 4: Simplify right side
    464,003.30x = 88,424,950,844.78
  5. Step 5: Solve for x
    x = 88,424,950,844.78/464,003.30
  6. Step 6: Final answer
    x = 190,569.66

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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.