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Finding the Fourth Proportional to 328,597.69, 453,464.84 and 177,694.69

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Solution

The fourth proportional to 328,597.69, 453,464.84 and 177,694.69 is: 245,218.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,597.69 : 453,464.84 = 177,694.69 : x
  2. Step 2: Convert to fraction form
    328,597.69/453,464.84 = 177,694.69/x
  3. Step 3: Cross multiply
    328,597.69x = 453,464.84 × 177,694.69
  4. Step 4: Simplify right side
    328,597.69x = 80,578,294,169.70
  5. Step 5: Solve for x
    x = 80,578,294,169.70/328,597.69
  6. Step 6: Final answer
    x = 245,218.69

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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.