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Finding the Fourth Proportional to 277,665.62, 416,445.46 and 135,368.06

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Solution

The fourth proportional to 277,665.62, 416,445.46 and 135,368.06 is: 203,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,665.62 : 416,445.46 = 135,368.06 : x
  2. Step 2: Convert to fraction form
    277,665.62/416,445.46 = 135,368.06/x
  3. Step 3: Cross multiply
    277,665.62x = 416,445.46 × 135,368.06
  4. Step 4: Simplify right side
    277,665.62x = 56,373,414,016.01
  5. Step 5: Solve for x
    x = 56,373,414,016.01/277,665.62
  6. Step 6: Final answer
    x = 203,026.27

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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.