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Finding the Fourth Proportional to 351,097.22, 526,392.03 and 208,604.54

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Solution

The fourth proportional to 351,097.22, 526,392.03 and 208,604.54 is: 312,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,097.22 : 526,392.03 = 208,604.54 : x
  2. Step 2: Convert to fraction form
    351,097.22/526,392.03 = 208,604.54/x
  3. Step 3: Cross multiply
    351,097.22x = 526,392.03 × 208,604.54
  4. Step 4: Simplify right side
    351,097.22x = 109,807,767,277.82
  5. Step 5: Solve for x
    x = 109,807,767,277.82/351,097.22
  6. Step 6: Final answer
    x = 312,756.01

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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.