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Finding the Fourth Proportional to 294,460, 441,690 and 72,844

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Solution

The fourth proportional to 294,460, 441,690 and 72,844 is: 109,266

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,460 : 441,690 = 72,844 : x
  2. Step 2: Convert to fraction form
    294,460/441,690 = 72,844/x
  3. Step 3: Cross multiply
    294,460x = 441,690 × 72,844
  4. Step 4: Simplify right side
    294,460x = 32,174,466,360
  5. Step 5: Solve for x
    x = 32,174,466,360/294,460
  6. Step 6: Final answer
    x = 109,266

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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.