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Finding the Fourth Proportional to 346,977.62, 520,111.95 and 196,900.94

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Solution

The fourth proportional to 346,977.62, 520,111.95 and 196,900.94 is: 295,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,977.62 : 520,111.95 = 196,900.94 : x
  2. Step 2: Convert to fraction form
    346,977.62/520,111.95 = 196,900.94/x
  3. Step 3: Cross multiply
    346,977.62x = 520,111.95 × 196,900.94
  4. Step 4: Simplify right side
    346,977.62x = 102,410,531,860.23
  5. Step 5: Solve for x
    x = 102,410,531,860.23/346,977.62
  6. Step 6: Final answer
    x = 295,150.25

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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.