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Finding the Fourth Proportional to 328,659.81, 453,550.58 and 177,756.81

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Solution

The fourth proportional to 328,659.81, 453,550.58 and 177,756.81 is: 245,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,659.81 : 453,550.58 = 177,756.81 : x
  2. Step 2: Convert to fraction form
    328,659.81/453,550.58 = 177,756.81/x
  3. Step 3: Cross multiply
    328,659.81x = 453,550.58 × 177,756.81
  4. Step 4: Simplify right side
    328,659.81x = 80,621,704,274.45
  5. Step 5: Solve for x
    x = 80,621,704,274.45/328,659.81
  6. Step 6: Final answer
    x = 245,304.42

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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.