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Finding the Fourth Proportional to 264,906.40, 397,222.80 and 77,893.60

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Solution

The fourth proportional to 264,906.40, 397,222.80 and 77,893.60 is: 116,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,906.40 : 397,222.80 = 77,893.60 : x
  2. Step 2: Convert to fraction form
    264,906.40/397,222.80 = 77,893.60/x
  3. Step 3: Cross multiply
    264,906.40x = 397,222.80 × 77,893.60
  4. Step 4: Simplify right side
    264,906.40x = 30,941,113,894.08
  5. Step 5: Solve for x
    x = 30,941,113,894.08/264,906.40
  6. Step 6: Final answer
    x = 116,800.18

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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.