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Finding the Fourth Proportional to 651,822.60, 978,171.30 and 296,653.80

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Solution

The fourth proportional to 651,822.60, 978,171.30 and 296,653.80 is: 445,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,822.60 : 978,171.30 = 296,653.80 : x
  2. Step 2: Convert to fraction form
    651,822.60/978,171.30 = 296,653.80/x
  3. Step 3: Cross multiply
    651,822.60x = 978,171.30 × 296,653.80
  4. Step 4: Simplify right side
    651,822.60x = 290,178,233,195.94
  5. Step 5: Solve for x
    x = 290,178,233,195.94/651,822.60
  6. Step 6: Final answer
    x = 445,179.77

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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.