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Finding the Fourth Proportional to 702,602, 1,053,918.84 and 253,359.44

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Solution

The fourth proportional to 702,602, 1,053,918.84 and 253,359.44 is: 380,044.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,602 : 1,053,918.84 = 253,359.44 : x
  2. Step 2: Convert to fraction form
    702,602/1,053,918.84 = 253,359.44/x
  3. Step 3: Cross multiply
    702,602x = 1,053,918.84 × 253,359.44
  4. Step 4: Simplify right side
    702,602x = 267,020,287,107.85
  5. Step 5: Solve for x
    x = 267,020,287,107.85/702,602
  6. Step 6: Final answer
    x = 380,044.87

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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.