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Finding the Fourth Proportional to 277,971.04, 416,956.56 and 67,609.12

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Solution

The fourth proportional to 277,971.04, 416,956.56 and 67,609.12 is: 101,413.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,971.04 : 416,956.56 = 67,609.12 : x
  2. Step 2: Convert to fraction form
    277,971.04/416,956.56 = 67,609.12/x
  3. Step 3: Cross multiply
    277,971.04x = 416,956.56 × 67,609.12
  4. Step 4: Simplify right side
    277,971.04x = 28,190,066,099.83
  5. Step 5: Solve for x
    x = 28,190,066,099.83/277,971.04
  6. Step 6: Final answer
    x = 101,413.68

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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.