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Finding the Fourth Proportional to 502,783.47, 754,015.30 and 165,761.37

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Solution

The fourth proportional to 502,783.47, 754,015.30 and 165,761.37 is: 248,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,783.47 : 754,015.30 = 165,761.37 : x
  2. Step 2: Convert to fraction form
    502,783.47/754,015.30 = 165,761.37/x
  3. Step 3: Cross multiply
    502,783.47x = 754,015.30 × 165,761.37
  4. Step 4: Simplify right side
    502,783.47x = 124,986,608,714.56
  5. Step 5: Solve for x
    x = 124,986,608,714.56/502,783.47
  6. Step 6: Final answer
    x = 248,589.34

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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.