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Finding the Fourth Proportional to 328,409.16, 453,204.39 and 177,506.16

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Solution

The fourth proportional to 328,409.16, 453,204.39 and 177,506.16 is: 244,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,409.16 : 453,204.39 = 177,506.16 : x
  2. Step 2: Convert to fraction form
    328,409.16/453,204.39 = 177,506.16/x
  3. Step 3: Cross multiply
    328,409.16x = 453,204.39 × 177,506.16
  4. Step 4: Simplify right side
    328,409.16x = 80,446,570,964.04
  5. Step 5: Solve for x
    x = 80,446,570,964.04/328,409.16
  6. Step 6: Final answer
    x = 244,958.37

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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.