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Finding the Fourth Proportional to 737,075.76, 1,105,610.01 and 287,842.26

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Solution

The fourth proportional to 737,075.76, 1,105,610.01 and 287,842.26 is: 431,761.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,075.76 : 1,105,610.01 = 287,842.26 : x
  2. Step 2: Convert to fraction form
    737,075.76/1,105,610.01 = 287,842.26/x
  3. Step 3: Cross multiply
    737,075.76x = 1,105,610.01 × 287,842.26
  4. Step 4: Simplify right side
    737,075.76x = 318,241,283,957.02
  5. Step 5: Solve for x
    x = 318,241,283,957.02/737,075.76
  6. Step 6: Final answer
    x = 431,761.97

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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.