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Finding the Fourth Proportional to 444,714.09, 666,234.14 and 219,811.21

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Solution

The fourth proportional to 444,714.09, 666,234.14 and 219,811.21 is: 329,303.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,714.09 : 666,234.14 = 219,811.21 : x
  2. Step 2: Convert to fraction form
    444,714.09/666,234.14 = 219,811.21/x
  3. Step 3: Cross multiply
    444,714.09x = 666,234.14 × 219,811.21
  4. Step 4: Simplify right side
    444,714.09x = 146,445,732,456.71
  5. Step 5: Solve for x
    x = 146,445,732,456.71/444,714.09
  6. Step 6: Final answer
    x = 329,303.11

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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.