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Finding the Fourth Proportional to 277,658.42, 416,487.68 and 67,296.38

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Solution

The fourth proportional to 277,658.42, 416,487.68 and 67,296.38 is: 100,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,658.42 : 416,487.68 = 67,296.38 : x
  2. Step 2: Convert to fraction form
    277,658.42/416,487.68 = 67,296.38/x
  3. Step 3: Cross multiply
    277,658.42x = 416,487.68 × 67,296.38
  4. Step 4: Simplify right side
    277,658.42x = 28,028,112,842.12
  5. Step 5: Solve for x
    x = 28,028,112,842.12/277,658.42
  6. Step 6: Final answer
    x = 100,944.58

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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.