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Finding the Fourth Proportional to 328,953.49, 453,930.47 and 185,727.67

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Solution

The fourth proportional to 328,953.49, 453,930.47 and 185,727.67 is: 256,289.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,953.49 : 453,930.47 = 185,727.67 : x
  2. Step 2: Convert to fraction form
    328,953.49/453,930.47 = 185,727.67/x
  3. Step 3: Cross multiply
    328,953.49x = 453,930.47 × 185,727.67
  4. Step 4: Simplify right side
    328,953.49x = 84,307,448,535.10
  5. Step 5: Solve for x
    x = 84,307,448,535.10/328,953.49
  6. Step 6: Final answer
    x = 256,289.87

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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.