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Finding the Fourth Proportional to 252,808.56, 379,212.84 and 65,820.24

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Solution

The fourth proportional to 252,808.56, 379,212.84 and 65,820.24 is: 98,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,808.56 : 379,212.84 = 65,820.24 : x
  2. Step 2: Convert to fraction form
    252,808.56/379,212.84 = 65,820.24/x
  3. Step 3: Cross multiply
    252,808.56x = 379,212.84 × 65,820.24
  4. Step 4: Simplify right side
    252,808.56x = 24,959,880,139.88
  5. Step 5: Solve for x
    x = 24,959,880,139.88/252,808.56
  6. Step 6: Final answer
    x = 98,730.36

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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.