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Finding the Fourth Proportional to 395,409.04, 595,811.71 and 326,824.72

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Solution

The fourth proportional to 395,409.04, 595,811.71 and 326,824.72 is: 492,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,409.04 : 595,811.71 = 326,824.72 : x
  2. Step 2: Convert to fraction form
    395,409.04/595,811.71 = 326,824.72/x
  3. Step 3: Cross multiply
    395,409.04x = 595,811.71 × 326,824.72
  4. Step 4: Simplify right side
    395,409.04x = 194,725,995,293.47
  5. Step 5: Solve for x
    x = 194,725,995,293.47/395,409.04
  6. Step 6: Final answer
    x = 492,467.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.