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Finding the Fourth Proportional to 336,714.80, 505,655.40 and 179,250.80

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Solution

The fourth proportional to 336,714.80, 505,655.40 and 179,250.80 is: 269,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,714.80 : 505,655.40 = 179,250.80 : x
  2. Step 2: Convert to fraction form
    336,714.80/505,655.40 = 179,250.80/x
  3. Step 3: Cross multiply
    336,714.80x = 505,655.40 × 179,250.80
  4. Step 4: Simplify right side
    336,714.80x = 90,639,134,974.32
  5. Step 5: Solve for x
    x = 90,639,134,974.32/336,714.80
  6. Step 6: Final answer
    x = 269,186.67

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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.