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Finding the Fourth Proportional to 341,153.32, 511,511.01 and 141,611.44

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Solution

The fourth proportional to 341,153.32, 511,511.01 and 141,611.44 is: 212,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,153.32 : 511,511.01 = 141,611.44 : x
  2. Step 2: Convert to fraction form
    341,153.32/511,511.01 = 141,611.44/x
  3. Step 3: Cross multiply
    341,153.32x = 511,511.01 × 141,611.44
  4. Step 4: Simplify right side
    341,153.32x = 72,435,810,701.95
  5. Step 5: Solve for x
    x = 72,435,810,701.95/341,153.32
  6. Step 6: Final answer
    x = 212,326.27

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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.