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Finding the Fourth Proportional to 333,010.35, 459,247.59 and 218,247.21

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Solution

The fourth proportional to 333,010.35, 459,247.59 and 218,247.21 is: 300,980.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,010.35 : 459,247.59 = 218,247.21 : x
  2. Step 2: Convert to fraction form
    333,010.35/459,247.59 = 218,247.21/x
  3. Step 3: Cross multiply
    333,010.35x = 459,247.59 × 218,247.21
  4. Step 4: Simplify right side
    333,010.35x = 100,229,505,216.72
  5. Step 5: Solve for x
    x = 100,229,505,216.72/333,010.35
  6. Step 6: Final answer
    x = 300,980.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.