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Finding the Fourth Proportional to 444,955.86, 666,878.69 and 217,063.68

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Solution

The fourth proportional to 444,955.86, 666,878.69 and 217,063.68 is: 325,324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,955.86 : 666,878.69 = 217,063.68 : x
  2. Step 2: Convert to fraction form
    444,955.86/666,878.69 = 217,063.68/x
  3. Step 3: Cross multiply
    444,955.86x = 666,878.69 × 217,063.68
  4. Step 4: Simplify right side
    444,955.86x = 144,755,141,479.66
  5. Step 5: Solve for x
    x = 144,755,141,479.66/444,955.86
  6. Step 6: Final answer
    x = 325,324.72

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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.