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Finding the Fourth Proportional to 445,492.80, 668,244.78 and 294,655.41

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Solution

The fourth proportional to 445,492.80, 668,244.78 and 294,655.41 is: 441,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,492.80 : 668,244.78 = 294,655.41 : x
  2. Step 2: Convert to fraction form
    445,492.80/668,244.78 = 294,655.41/x
  3. Step 3: Cross multiply
    445,492.80x = 668,244.78 × 294,655.41
  4. Step 4: Simplify right side
    445,492.80x = 196,901,939,631.26
  5. Step 5: Solve for x
    x = 196,901,939,631.26/445,492.80
  6. Step 6: Final answer
    x = 441,986.81

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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.