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Finding the Fourth Proportional to 341,221.88, 511,886.89 and 113,525.62

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Solution

The fourth proportional to 341,221.88, 511,886.89 and 113,525.62 is: 170,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,221.88 : 511,886.89 = 113,525.62 : x
  2. Step 2: Convert to fraction form
    341,221.88/511,886.89 = 113,525.62/x
  3. Step 3: Cross multiply
    341,221.88x = 511,886.89 × 113,525.62
  4. Step 4: Simplify right side
    341,221.88x = 58,112,275,419.31
  5. Step 5: Solve for x
    x = 58,112,275,419.31/341,221.88
  6. Step 6: Final answer
    x = 170,306.41

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1.5x scale

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.