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Finding the Fourth Proportional to 439,493.76, 606,400.56 and 248,465.52

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Solution

The fourth proportional to 439,493.76, 606,400.56 and 248,465.52 is: 342,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,493.76 : 606,400.56 = 248,465.52 : x
  2. Step 2: Convert to fraction form
    439,493.76/606,400.56 = 248,465.52/x
  3. Step 3: Cross multiply
    439,493.76x = 606,400.56 × 248,465.52
  4. Step 4: Simplify right side
    439,493.76x = 150,669,630,468.69
  5. Step 5: Solve for x
    x = 150,669,630,468.69/439,493.76
  6. Step 6: Final answer
    x = 342,825.41

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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.