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Finding the Fourth Proportional to 552,367.96, 828,216.60 and 360,385

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Solution

The fourth proportional to 552,367.96, 828,216.60 and 360,385 is: 540,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,367.96 : 828,216.60 = 360,385 : x
  2. Step 2: Convert to fraction form
    552,367.96/828,216.60 = 360,385/x
  3. Step 3: Cross multiply
    552,367.96x = 828,216.60 × 360,385
  4. Step 4: Simplify right side
    552,367.96x = 298,476,839,391
  5. Step 5: Solve for x
    x = 298,476,839,391/552,367.96
  6. Step 6: Final answer
    x = 540,358.71

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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.