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Finding the Fourth Proportional to 556,898.37, 768,520.14 and 302,249.58

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Solution

The fourth proportional to 556,898.37, 768,520.14 and 302,249.58 is: 417,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,898.37 : 768,520.14 = 302,249.58 : x
  2. Step 2: Convert to fraction form
    556,898.37/768,520.14 = 302,249.58/x
  3. Step 3: Cross multiply
    556,898.37x = 768,520.14 × 302,249.58
  4. Step 4: Simplify right side
    556,898.37x = 232,284,889,536.54
  5. Step 5: Solve for x
    x = 232,284,889,536.54/556,898.37
  6. Step 6: Final answer
    x = 417,104.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.