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Finding the Fourth Proportional to 341,215.95, 511,805.46 and 104,559.33

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Solution

The fourth proportional to 341,215.95, 511,805.46 and 104,559.33 is: 156,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,215.95 : 511,805.46 = 104,559.33 : x
  2. Step 2: Convert to fraction form
    341,215.95/511,805.46 = 104,559.33/x
  3. Step 3: Cross multiply
    341,215.95x = 511,805.46 × 104,559.33
  4. Step 4: Simplify right side
    341,215.95x = 53,514,035,987.94
  5. Step 5: Solve for x
    x = 53,514,035,987.94/341,215.95
  6. Step 6: Final answer
    x = 156,833.34

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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.