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Finding the Fourth Proportional to 552,225.36, 828,471.34 and 192,343.58

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Solution

The fourth proportional to 552,225.36, 828,471.34 and 192,343.58 is: 288,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,225.36 : 828,471.34 = 192,343.58 : x
  2. Step 2: Convert to fraction form
    552,225.36/828,471.34 = 192,343.58/x
  3. Step 3: Cross multiply
    552,225.36x = 828,471.34 × 192,343.58
  4. Step 4: Simplify right side
    552,225.36x = 159,351,142,667.84
  5. Step 5: Solve for x
    x = 159,351,142,667.84/552,225.36
  6. Step 6: Final answer
    x = 288,561.80

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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.