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Finding the Fourth Proportional to 844,478.88, 1,266,801.30 and 245,445

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Solution

The fourth proportional to 844,478.88, 1,266,801.30 and 245,445 is: 368,191.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,478.88 : 1,266,801.30 = 245,445 : x
  2. Step 2: Convert to fraction form
    844,478.88/1,266,801.30 = 245,445/x
  3. Step 3: Cross multiply
    844,478.88x = 1,266,801.30 × 245,445
  4. Step 4: Simplify right side
    844,478.88x = 310,930,045,078.50
  5. Step 5: Solve for x
    x = 310,930,045,078.50/844,478.88
  6. Step 6: Final answer
    x = 368,191.62

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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.