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Finding the Fourth Proportional to 451,289.94, 622,842.30 and 260,299.14

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Solution

The fourth proportional to 451,289.94, 622,842.30 and 260,299.14 is: 359,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,289.94 : 622,842.30 = 260,299.14 : x
  2. Step 2: Convert to fraction form
    451,289.94/622,842.30 = 260,299.14/x
  3. Step 3: Cross multiply
    451,289.94x = 622,842.30 × 260,299.14
  4. Step 4: Simplify right side
    451,289.94x = 162,125,315,045.62
  5. Step 5: Solve for x
    x = 162,125,315,045.62/451,289.94
  6. Step 6: Final answer
    x = 359,248.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.