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Finding the Fourth Proportional to 456,159.76, 629,485.04 and 262,540.59

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Solution

The fourth proportional to 456,159.76, 629,485.04 and 262,540.59 is: 362,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,159.76 : 629,485.04 = 262,540.59 : x
  2. Step 2: Convert to fraction form
    456,159.76/629,485.04 = 262,540.59/x
  3. Step 3: Cross multiply
    456,159.76x = 629,485.04 × 262,540.59
  4. Step 4: Simplify right side
    456,159.76x = 165,265,373,797.77
  5. Step 5: Solve for x
    x = 165,265,373,797.77/456,159.76
  6. Step 6: Final answer
    x = 362,297.14

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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.