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Finding the Fourth Proportional to 277,679.06, 416,534.73 and 78,015.02

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Solution

The fourth proportional to 277,679.06, 416,534.73 and 78,015.02 is: 117,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,679.06 : 416,534.73 = 78,015.02 : x
  2. Step 2: Convert to fraction form
    277,679.06/416,534.73 = 78,015.02/x
  3. Step 3: Cross multiply
    277,679.06x = 416,534.73 × 78,015.02
  4. Step 4: Simplify right side
    277,679.06x = 32,495,963,208.97
  5. Step 5: Solve for x
    x = 32,495,963,208.97/277,679.06
  6. Step 6: Final answer
    x = 117,027.06

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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.