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Finding the Fourth Proportional to 484,682.84, 668,632.56 and 341,521.64

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Solution

The fourth proportional to 484,682.84, 668,632.56 and 341,521.64 is: 471,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,682.84 : 668,632.56 = 341,521.64 : x
  2. Step 2: Convert to fraction form
    484,682.84/668,632.56 = 341,521.64/x
  3. Step 3: Cross multiply
    484,682.84x = 668,632.56 × 341,521.64
  4. Step 4: Simplify right side
    484,682.84x = 228,352,488,448.60
  5. Step 5: Solve for x
    x = 228,352,488,448.60/484,682.84
  6. Step 6: Final answer
    x = 471,137.97

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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.