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Finding the Fourth Proportional to 484,468.74, 667,873.98 and 340,782.84

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Solution

The fourth proportional to 484,468.74, 667,873.98 and 340,782.84 is: 469,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,468.74 : 667,873.98 = 340,782.84 : x
  2. Step 2: Convert to fraction form
    484,468.74/667,873.98 = 340,782.84/x
  3. Step 3: Cross multiply
    484,468.74x = 667,873.98 × 340,782.84
  4. Step 4: Simplify right side
    484,468.74x = 227,599,991,666.50
  5. Step 5: Solve for x
    x = 227,599,991,666.50/484,468.74
  6. Step 6: Final answer
    x = 469,792.94

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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.