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Finding the Fourth Proportional to 552,802.88, 829,201.56 and 215,877.76

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Solution

The fourth proportional to 552,802.88, 829,201.56 and 215,877.76 is: 323,815.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,802.88 : 829,201.56 = 215,877.76 : x
  2. Step 2: Convert to fraction form
    552,802.88/829,201.56 = 215,877.76/x
  3. Step 3: Cross multiply
    552,802.88x = 829,201.56 × 215,877.76
  4. Step 4: Simplify right side
    552,802.88x = 179,006,172,478.76
  5. Step 5: Solve for x
    x = 179,006,172,478.76/552,802.88
  6. Step 6: Final answer
    x = 323,815.56

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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.