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Finding the Fourth Proportional to 552,763.02, 828,619.64 and 216,019.68

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Solution

The fourth proportional to 552,763.02, 828,619.64 and 216,019.68 is: 323,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,763.02 : 828,619.64 = 216,019.68 : x
  2. Step 2: Convert to fraction form
    552,763.02/828,619.64 = 216,019.68/x
  3. Step 3: Cross multiply
    552,763.02x = 828,619.64 × 216,019.68
  4. Step 4: Simplify right side
    552,763.02x = 178,998,149,474.52
  5. Step 5: Solve for x
    x = 178,998,149,474.52/552,763.02
  6. Step 6: Final answer
    x = 323,824.39

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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.