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Finding the Fourth Proportional to 294,241.40, 441,362.10 and 72,625.40

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Solution

The fourth proportional to 294,241.40, 441,362.10 and 72,625.40 is: 108,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,241.40 : 441,362.10 = 72,625.40 : x
  2. Step 2: Convert to fraction form
    294,241.40/441,362.10 = 72,625.40/x
  3. Step 3: Cross multiply
    294,241.40x = 441,362.10 × 72,625.40
  4. Step 4: Simplify right side
    294,241.40x = 32,054,099,057.34
  5. Step 5: Solve for x
    x = 32,054,099,057.34/294,241.40
  6. Step 6: Final answer
    x = 108,938.10

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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.