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Finding the Fourth Proportional to 205,369.20, 307,708.20 and 192,927.60

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Solution

The fourth proportional to 205,369.20, 307,708.20 and 192,927.60 is: 289,066.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,369.20 : 307,708.20 = 192,927.60 : x
  2. Step 2: Convert to fraction form
    205,369.20/307,708.20 = 192,927.60/x
  3. Step 3: Cross multiply
    205,369.20x = 307,708.20 × 192,927.60
  4. Step 4: Simplify right side
    205,369.20x = 59,365,404,526.32
  5. Step 5: Solve for x
    x = 59,365,404,526.32/205,369.20
  6. Step 6: Final answer
    x = 289,066.74

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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.