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Finding the Fourth Proportional to 484,468.49, 667,873.63 and 340,782.59

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Solution

The fourth proportional to 484,468.49, 667,873.63 and 340,782.59 is: 469,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,468.49 : 667,873.63 = 340,782.59 : x
  2. Step 2: Convert to fraction form
    484,468.49/667,873.63 = 340,782.59/x
  3. Step 3: Cross multiply
    484,468.49x = 667,873.63 × 340,782.59
  4. Step 4: Simplify right side
    484,468.49x = 227,599,705,424.10
  5. Step 5: Solve for x
    x = 227,599,705,424.10/484,468.49
  6. Step 6: Final answer
    x = 469,792.59

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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.