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Finding the Fourth Proportional to 445,611.33, 668,646.77 and 295,955.19

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Solution

The fourth proportional to 445,611.33, 668,646.77 and 295,955.19 is: 444,085.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,611.33 : 668,646.77 = 295,955.19 : x
  2. Step 2: Convert to fraction form
    445,611.33/668,646.77 = 295,955.19/x
  3. Step 3: Cross multiply
    445,611.33x = 668,646.77 × 295,955.19
  4. Step 4: Simplify right side
    445,611.33x = 197,889,480,378.46
  5. Step 5: Solve for x
    x = 197,889,480,378.46/445,611.33
  6. Step 6: Final answer
    x = 444,085.39

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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.