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Finding the Fourth Proportional to 346,937.62, 520,051.96 and 196,860.88

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Solution

The fourth proportional to 346,937.62, 520,051.96 and 196,860.88 is: 295,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,937.62 : 520,051.96 = 196,860.88 : x
  2. Step 2: Convert to fraction form
    346,937.62/520,051.96 = 196,860.88/x
  3. Step 3: Cross multiply
    346,937.62x = 520,051.96 × 196,860.88
  4. Step 4: Simplify right side
    346,937.62x = 102,377,886,491.33
  5. Step 5: Solve for x
    x = 102,377,886,491.33/346,937.62
  6. Step 6: Final answer
    x = 295,090.19

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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.