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Finding the Fourth Proportional to 277,233.60, 415,850.40 and 259,737.60

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Solution

The fourth proportional to 277,233.60, 415,850.40 and 259,737.60 is: 389,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,233.60 : 415,850.40 = 259,737.60 : x
  2. Step 2: Convert to fraction form
    277,233.60/415,850.40 = 259,737.60/x
  3. Step 3: Cross multiply
    277,233.60x = 415,850.40 × 259,737.60
  4. Step 4: Simplify right side
    277,233.60x = 108,011,984,855.04
  5. Step 5: Solve for x
    x = 108,011,984,855.04/277,233.60
  6. Step 6: Final answer
    x = 389,606.40

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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.