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Finding the Fourth Proportional to 346,575.44, 520,057.56 and 188,814.96

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Solution

The fourth proportional to 346,575.44, 520,057.56 and 188,814.96 is: 283,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,575.44 : 520,057.56 = 188,814.96 : x
  2. Step 2: Convert to fraction form
    346,575.44/520,057.56 = 188,814.96/x
  3. Step 3: Cross multiply
    346,575.44x = 520,057.56 × 188,814.96
  4. Step 4: Simplify right side
    346,575.44x = 98,194,647,389.10
  5. Step 5: Solve for x
    x = 98,194,647,389.10/346,575.44
  6. Step 6: Final answer
    x = 283,328.35

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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.