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Finding the Fourth Proportional to 451,053.88, 622,446.06 and 260,075.32

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Solution

The fourth proportional to 451,053.88, 622,446.06 and 260,075.32 is: 358,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,053.88 : 622,446.06 = 260,075.32 : x
  2. Step 2: Convert to fraction form
    451,053.88/622,446.06 = 260,075.32/x
  3. Step 3: Cross multiply
    451,053.88x = 622,446.06 × 260,075.32
  4. Step 4: Simplify right side
    451,053.88x = 161,882,858,237.24
  5. Step 5: Solve for x
    x = 161,882,858,237.24/451,053.88
  6. Step 6: Final answer
    x = 358,899.16

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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.