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Finding the Fourth Proportional to 665,262.92, 997,934.44 and 451,940.48

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Solution

The fourth proportional to 665,262.92, 997,934.44 and 451,940.48 is: 677,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,262.92 : 997,934.44 = 451,940.48 : x
  2. Step 2: Convert to fraction form
    665,262.92/997,934.44 = 451,940.48/x
  3. Step 3: Cross multiply
    665,262.92x = 997,934.44 × 451,940.48
  4. Step 4: Simplify right side
    665,262.92x = 451,006,969,822.13
  5. Step 5: Solve for x
    x = 451,006,969,822.13/665,262.92
  6. Step 6: Final answer
    x = 677,937.93

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1.5x scale

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.