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Finding the Fourth Proportional to 453,686, 626,087.04 and 262,709.60

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Solution

The fourth proportional to 453,686, 626,087.04 and 262,709.60 is: 362,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,686 : 626,087.04 = 262,709.60 : x
  2. Step 2: Convert to fraction form
    453,686/626,087.04 = 262,709.60/x
  3. Step 3: Cross multiply
    453,686x = 626,087.04 × 262,709.60
  4. Step 4: Simplify right side
    453,686x = 164,479,075,843.58
  5. Step 5: Solve for x
    x = 164,479,075,843.58/453,686
  6. Step 6: Final answer
    x = 362,539.46

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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.