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Finding the Fourth Proportional to 451,772.52, 623,345.70 and 260,745.48

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Solution

The fourth proportional to 451,772.52, 623,345.70 and 260,745.48 is: 359,770.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,772.52 : 623,345.70 = 260,745.48 : x
  2. Step 2: Convert to fraction form
    451,772.52/623,345.70 = 260,745.48/x
  3. Step 3: Cross multiply
    451,772.52x = 623,345.70 × 260,745.48
  4. Step 4: Simplify right side
    451,772.52x = 162,534,573,752.44
  5. Step 5: Solve for x
    x = 162,534,573,752.44/451,772.52
  6. Step 6: Final answer
    x = 359,770.83

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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.