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Finding the Fourth Proportional to 277,296.57, 415,996.29 and 87,804.90

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Solution

The fourth proportional to 277,296.57, 415,996.29 and 87,804.90 is: 131,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,296.57 : 415,996.29 = 87,804.90 : x
  2. Step 2: Convert to fraction form
    277,296.57/415,996.29 = 87,804.90/x
  3. Step 3: Cross multiply
    277,296.57x = 415,996.29 × 87,804.90
  4. Step 4: Simplify right side
    277,296.57x = 36,526,512,643.82
  5. Step 5: Solve for x
    x = 36,526,512,643.82/277,296.57
  6. Step 6: Final answer
    x = 131,723.64

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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.