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Finding the Fourth Proportional to 755,608, 1,042,739.04 and 416,075.44

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Solution

The fourth proportional to 755,608, 1,042,739.04 and 416,075.44 is: 574,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,608 : 1,042,739.04 = 416,075.44 : x
  2. Step 2: Convert to fraction form
    755,608/1,042,739.04 = 416,075.44/x
  3. Step 3: Cross multiply
    755,608x = 1,042,739.04 × 416,075.44
  4. Step 4: Simplify right side
    755,608x = 433,858,104,873.18
  5. Step 5: Solve for x
    x = 433,858,104,873.18/755,608
  6. Step 6: Final answer
    x = 574,184.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.