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Finding the Fourth Proportional to 334,423.44, 461,887.65 and 220,212.63

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Solution

The fourth proportional to 334,423.44, 461,887.65 and 220,212.63 is: 304,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,423.44 : 461,887.65 = 220,212.63 : x
  2. Step 2: Convert to fraction form
    334,423.44/461,887.65 = 220,212.63/x
  3. Step 3: Cross multiply
    334,423.44x = 461,887.65 × 220,212.63
  4. Step 4: Simplify right side
    334,423.44x = 101,713,494,171.02
  5. Step 5: Solve for x
    x = 101,713,494,171.02/334,423.44
  6. Step 6: Final answer
    x = 304,145.83

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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.