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Finding the Fourth Proportional to 552,789.04, 828,658.60 and 216,045.72

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Solution

The fourth proportional to 552,789.04, 828,658.60 and 216,045.72 is: 323,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,789.04 : 828,658.60 = 216,045.72 : x
  2. Step 2: Convert to fraction form
    552,789.04/828,658.60 = 216,045.72/x
  3. Step 3: Cross multiply
    552,789.04x = 828,658.60 × 216,045.72
  4. Step 4: Simplify right side
    552,789.04x = 179,028,143,871.19
  5. Step 5: Solve for x
    x = 179,028,143,871.19/552,789.04
  6. Step 6: Final answer
    x = 323,863.41

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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.