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Finding the Fourth Proportional to 662,460.48, 992,951.64 and 262,994.40

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Solution

The fourth proportional to 662,460.48, 992,951.64 and 262,994.40 is: 394,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,460.48 : 992,951.64 = 262,994.40 : x
  2. Step 2: Convert to fraction form
    662,460.48/992,951.64 = 262,994.40/x
  3. Step 3: Cross multiply
    662,460.48x = 992,951.64 × 262,994.40
  4. Step 4: Simplify right side
    662,460.48x = 261,140,720,790.82
  5. Step 5: Solve for x
    x = 261,140,720,790.82/662,460.48
  6. Step 6: Final answer
    x = 394,198.19

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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.