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Finding the Fourth Proportional to 400,484.19, 600,602.31 and 116,195.61

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Solution

The fourth proportional to 400,484.19, 600,602.31 and 116,195.61 is: 174,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,484.19 : 600,602.31 = 116,195.61 : x
  2. Step 2: Convert to fraction form
    400,484.19/600,602.31 = 116,195.61/x
  3. Step 3: Cross multiply
    400,484.19x = 600,602.31 × 116,195.61
  4. Step 4: Simplify right side
    400,484.19x = 69,787,351,777.86
  5. Step 5: Solve for x
    x = 69,787,351,777.86/400,484.19
  6. Step 6: Final answer
    x = 174,257.45

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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.