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Finding the Fourth Proportional to 551,296.88, 760,872.14 and 336,561.84

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Solution

The fourth proportional to 551,296.88, 760,872.14 and 336,561.84 is: 464,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,296.88 : 760,872.14 = 336,561.84 : x
  2. Step 2: Convert to fraction form
    551,296.88/760,872.14 = 336,561.84/x
  3. Step 3: Cross multiply
    551,296.88x = 760,872.14 × 336,561.84
  4. Step 4: Simplify right side
    551,296.88x = 256,080,527,443.14
  5. Step 5: Solve for x
    x = 256,080,527,443.14/551,296.88
  6. Step 6: Final answer
    x = 464,505.67

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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.