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Finding the Fourth Proportional to 737,075.03, 1,105,608.83 and 287,841.51

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Solution

The fourth proportional to 737,075.03, 1,105,608.83 and 287,841.51 is: 431,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,075.03 : 1,105,608.83 = 287,841.51 : x
  2. Step 2: Convert to fraction form
    737,075.03/1,105,608.83 = 287,841.51/x
  3. Step 3: Cross multiply
    737,075.03x = 1,105,608.83 × 287,841.51
  4. Step 4: Simplify right side
    737,075.03x = 318,240,113,657.33
  5. Step 5: Solve for x
    x = 318,240,113,657.33/737,075.03
  6. Step 6: Final answer
    x = 431,760.82

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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.