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Finding the Fourth Proportional to 341,185, 512,220.98 and 262,354.58

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Solution

The fourth proportional to 341,185, 512,220.98 and 262,354.58 is: 393,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,185 : 512,220.98 = 262,354.58 : x
  2. Step 2: Convert to fraction form
    341,185/512,220.98 = 262,354.58/x
  3. Step 3: Cross multiply
    341,185x = 512,220.98 × 262,354.58
  4. Step 4: Simplify right side
    341,185x = 134,383,520,075.09
  5. Step 5: Solve for x
    x = 134,383,520,075.09/341,185
  6. Step 6: Final answer
    x = 393,872.88

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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.