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Finding the Fourth Proportional to 277,667.13, 416,499.32 and 67,305.07

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Solution

The fourth proportional to 277,667.13, 416,499.32 and 67,305.07 is: 100,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,667.13 : 416,499.32 = 67,305.07 : x
  2. Step 2: Convert to fraction form
    277,667.13/416,499.32 = 67,305.07/x
  3. Step 3: Cross multiply
    277,667.13x = 416,499.32 × 67,305.07
  4. Step 4: Simplify right side
    277,667.13x = 28,032,515,887.55
  5. Step 5: Solve for x
    x = 28,032,515,887.55/277,667.13
  6. Step 6: Final answer
    x = 100,957.27

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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.