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Finding the Fourth Proportional to 446,375.71, 669,569.03 and 130,838.98

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Solution

The fourth proportional to 446,375.71, 669,569.03 and 130,838.98 is: 196,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,375.71 : 669,569.03 = 130,838.98 : x
  2. Step 2: Convert to fraction form
    446,375.71/669,569.03 = 130,838.98/x
  3. Step 3: Cross multiply
    446,375.71x = 669,569.03 × 130,838.98
  4. Step 4: Simplify right side
    446,375.71x = 87,605,728,924.79
  5. Step 5: Solve for x
    x = 87,605,728,924.79/446,375.71
  6. Step 6: Final answer
    x = 196,260.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.