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Finding the Fourth Proportional to 333,016.82, 459,605.30 and 218,391.92

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Solution

The fourth proportional to 333,016.82, 459,605.30 and 218,391.92 is: 301,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,016.82 : 459,605.30 = 218,391.92 : x
  2. Step 2: Convert to fraction form
    333,016.82/459,605.30 = 218,391.92/x
  3. Step 3: Cross multiply
    333,016.82x = 459,605.30 × 218,391.92
  4. Step 4: Simplify right side
    333,016.82x = 100,374,080,519.19
  5. Step 5: Solve for x
    x = 100,374,080,519.19/333,016.82
  6. Step 6: Final answer
    x = 301,408.45

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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.