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Finding the Fourth Proportional to 277,893.05, 416,848.07 and 192,420.23

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Solution

The fourth proportional to 277,893.05, 416,848.07 and 192,420.23 is: 288,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,893.05 : 416,848.07 = 192,420.23 : x
  2. Step 2: Convert to fraction form
    277,893.05/416,848.07 = 192,420.23/x
  3. Step 3: Cross multiply
    277,893.05x = 416,848.07 × 192,420.23
  4. Step 4: Simplify right side
    277,893.05x = 80,209,998,458.11
  5. Step 5: Solve for x
    x = 80,209,998,458.11/277,893.05
  6. Step 6: Final answer
    x = 288,636.22

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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.