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Finding the Fourth Proportional to 479,327.52, 661,470.12 and 264,480.96

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Solution

The fourth proportional to 479,327.52, 661,470.12 and 264,480.96 is: 364,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,327.52 : 661,470.12 = 264,480.96 : x
  2. Step 2: Convert to fraction form
    479,327.52/661,470.12 = 264,480.96/x
  3. Step 3: Cross multiply
    479,327.52x = 661,470.12 × 264,480.96
  4. Step 4: Simplify right side
    479,327.52x = 174,946,252,348.92
  5. Step 5: Solve for x
    x = 174,946,252,348.92/479,327.52
  6. Step 6: Final answer
    x = 364,982.70

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1.5x scale

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.