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Finding the Fourth Proportional to 328,394.75, 453,184.54 and 177,491.75

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Solution

The fourth proportional to 328,394.75, 453,184.54 and 177,491.75 is: 244,938.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,394.75 : 453,184.54 = 177,491.75 : x
  2. Step 2: Convert to fraction form
    328,394.75/453,184.54 = 177,491.75/x
  3. Step 3: Cross multiply
    328,394.75x = 453,184.54 × 177,491.75
  4. Step 4: Simplify right side
    328,394.75x = 80,436,513,924.16
  5. Step 5: Solve for x
    x = 80,436,513,924.16/328,394.75
  6. Step 6: Final answer
    x = 244,938.49

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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.