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Finding the Fourth Proportional to 333,234.97, 459,536.59 and 305,574.28

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Solution

The fourth proportional to 333,234.97, 459,536.59 and 305,574.28 is: 421,392.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,234.97 : 459,536.59 = 305,574.28 : x
  2. Step 2: Convert to fraction form
    333,234.97/459,536.59 = 305,574.28/x
  3. Step 3: Cross multiply
    333,234.97x = 459,536.59 × 305,574.28
  4. Step 4: Simplify right side
    333,234.97x = 140,422,562,622.91
  5. Step 5: Solve for x
    x = 140,422,562,622.91/333,234.97
  6. Step 6: Final answer
    x = 421,392.04

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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.