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Finding the Fourth Proportional to 468,484.94, 702,648.30 and 131,448.26

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Solution

The fourth proportional to 468,484.94, 702,648.30 and 131,448.26 is: 197,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,484.94 : 702,648.30 = 131,448.26 : x
  2. Step 2: Convert to fraction form
    468,484.94/702,648.30 = 131,448.26/x
  3. Step 3: Cross multiply
    468,484.94x = 702,648.30 × 131,448.26
  4. Step 4: Simplify right side
    468,484.94x = 92,361,896,426.96
  5. Step 5: Solve for x
    x = 92,361,896,426.96/468,484.94
  6. Step 6: Final answer
    x = 197,150.19

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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.