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Finding the Fourth Proportional to 341,111.52, 511,669.44 and 104,436

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Solution

The fourth proportional to 341,111.52, 511,669.44 and 104,436 is: 156,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,111.52 : 511,669.44 = 104,436 : x
  2. Step 2: Convert to fraction form
    341,111.52/511,669.44 = 104,436/x
  3. Step 3: Cross multiply
    341,111.52x = 511,669.44 × 104,436
  4. Step 4: Simplify right side
    341,111.52x = 53,436,709,635.84
  5. Step 5: Solve for x
    x = 53,436,709,635.84/341,111.52
  6. Step 6: Final answer
    x = 156,654.66

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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.