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Finding the Fourth Proportional to 334,805.76, 461,715.66 and 219,881.88

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Solution

The fourth proportional to 334,805.76, 461,715.66 and 219,881.88 is: 303,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,805.76 : 461,715.66 = 219,881.88 : x
  2. Step 2: Convert to fraction form
    334,805.76/461,715.66 = 219,881.88/x
  3. Step 3: Cross multiply
    334,805.76x = 461,715.66 × 219,881.88
  4. Step 4: Simplify right side
    334,805.76x = 101,522,907,346.24
  5. Step 5: Solve for x
    x = 101,522,907,346.24/334,805.76
  6. Step 6: Final answer
    x = 303,229.27

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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.