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Finding the Fourth Proportional to 552,252.36, 828,254.56 and 215,177.32

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Solution

The fourth proportional to 552,252.36, 828,254.56 and 215,177.32 is: 322,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,252.36 : 828,254.56 = 215,177.32 : x
  2. Step 2: Convert to fraction form
    552,252.36/828,254.56 = 215,177.32/x
  3. Step 3: Cross multiply
    552,252.36x = 828,254.56 × 215,177.32
  4. Step 4: Simplify right side
    552,252.36x = 178,221,596,498.58
  5. Step 5: Solve for x
    x = 178,221,596,498.58/552,252.36
  6. Step 6: Final answer
    x = 322,717.67

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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.