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Finding the Fourth Proportional to 464,490.59, 696,609.39 and 127,451.33

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Solution

The fourth proportional to 464,490.59, 696,609.39 and 127,451.33 is: 191,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,490.59 : 696,609.39 = 127,451.33 : x
  2. Step 2: Convert to fraction form
    464,490.59/696,609.39 = 127,451.33/x
  3. Step 3: Cross multiply
    464,490.59x = 696,609.39 × 127,451.33
  4. Step 4: Simplify right side
    464,490.59x = 88,783,789,762.94
  5. Step 5: Solve for x
    x = 88,783,789,762.94/464,490.59
  6. Step 6: Final answer
    x = 191,142.28

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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.