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Finding the Fourth Proportional to 328,192.81, 452,287.78 and 237,394.80

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Solution

The fourth proportional to 328,192.81, 452,287.78 and 237,394.80 is: 327,157.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,192.81 : 452,287.78 = 237,394.80 : x
  2. Step 2: Convert to fraction form
    328,192.81/452,287.78 = 237,394.80/x
  3. Step 3: Cross multiply
    328,192.81x = 452,287.78 × 237,394.80
  4. Step 4: Simplify right side
    328,192.81x = 107,370,764,814.11
  5. Step 5: Solve for x
    x = 107,370,764,814.11/328,192.81
  6. Step 6: Final answer
    x = 327,157.58

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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.