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Finding the Fourth Proportional to 328,544.81, 453,474.45 and 185,387.43

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Solution

The fourth proportional to 328,544.81, 453,474.45 and 185,387.43 is: 255,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,544.81 : 453,474.45 = 185,387.43 : x
  2. Step 2: Convert to fraction form
    328,544.81/453,474.45 = 185,387.43/x
  3. Step 3: Cross multiply
    328,544.81x = 453,474.45 × 185,387.43
  4. Step 4: Simplify right side
    328,544.81x = 84,068,464,556.69
  5. Step 5: Solve for x
    x = 84,068,464,556.69/328,544.81
  6. Step 6: Final answer
    x = 255,881.27

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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.