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Finding the Fourth Proportional to 328,585.92, 453,448.41 and 177,682.92

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Solution

The fourth proportional to 328,585.92, 453,448.41 and 177,682.92 is: 245,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,585.92 : 453,448.41 = 177,682.92 : x
  2. Step 2: Convert to fraction form
    328,585.92/453,448.41 = 177,682.92/x
  3. Step 3: Cross multiply
    328,585.92x = 453,448.41 × 177,682.92
  4. Step 4: Simplify right side
    328,585.92x = 80,570,037,558.16
  5. Step 5: Solve for x
    x = 80,570,037,558.16/328,585.92
  6. Step 6: Final answer
    x = 245,202.34

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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.