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Finding the Fourth Proportional to 556,018.44, 833,711.68 and 218,876.52

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Solution

The fourth proportional to 556,018.44, 833,711.68 and 218,876.52 is: 328,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,018.44 : 833,711.68 = 218,876.52 : x
  2. Step 2: Convert to fraction form
    556,018.44/833,711.68 = 218,876.52/x
  3. Step 3: Cross multiply
    556,018.44x = 833,711.68 × 218,876.52
  4. Step 4: Simplify right side
    556,018.44x = 182,479,911,201.75
  5. Step 5: Solve for x
    x = 182,479,911,201.75/556,018.44
  6. Step 6: Final answer
    x = 328,190.39

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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.