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Finding the Fourth Proportional to 299,676.51, 413,566.20 and 172,352.25

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Solution

The fourth proportional to 299,676.51, 413,566.20 and 172,352.25 is: 237,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,676.51 : 413,566.20 = 172,352.25 : x
  2. Step 2: Convert to fraction form
    299,676.51/413,566.20 = 172,352.25/x
  3. Step 3: Cross multiply
    299,676.51x = 413,566.20 × 172,352.25
  4. Step 4: Simplify right side
    299,676.51x = 71,279,065,093.95
  5. Step 5: Solve for x
    x = 71,279,065,093.95/299,676.51
  6. Step 6: Final answer
    x = 237,853.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.