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Finding the Fourth Proportional to 552,774.51, 828,636.89 and 216,031.19

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Solution

The fourth proportional to 552,774.51, 828,636.89 and 216,031.19 is: 323,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,774.51 : 828,636.89 = 216,031.19 : x
  2. Step 2: Convert to fraction form
    552,774.51/828,636.89 = 216,031.19/x
  3. Step 3: Cross multiply
    552,774.51x = 828,636.89 × 216,031.19
  4. Step 4: Simplify right side
    552,774.51x = 179,011,408,201.26
  5. Step 5: Solve for x
    x = 179,011,408,201.26/552,774.51
  6. Step 6: Final answer
    x = 323,841.65

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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.