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Finding the Fourth Proportional to 328,389.92, 453,169.02 and 185,148.70

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Solution

The fourth proportional to 328,389.92, 453,169.02 and 185,148.70 is: 255,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,389.92 : 453,169.02 = 185,148.70 : x
  2. Step 2: Convert to fraction form
    328,389.92/453,169.02 = 185,148.70/x
  3. Step 3: Cross multiply
    328,389.92x = 453,169.02 × 185,148.70
  4. Step 4: Simplify right side
    328,389.92x = 83,903,654,933.27
  5. Step 5: Solve for x
    x = 83,903,654,933.27/328,389.92
  6. Step 6: Final answer
    x = 255,500.09

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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.