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Finding the Fourth Proportional to 328,892.24, 453,891.72 and 185,600

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Solution

The fourth proportional to 328,892.24, 453,891.72 and 185,600 is: 256,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,892.24 : 453,891.72 = 185,600 : x
  2. Step 2: Convert to fraction form
    328,892.24/453,891.72 = 185,600/x
  3. Step 3: Cross multiply
    328,892.24x = 453,891.72 × 185,600
  4. Step 4: Simplify right side
    328,892.24x = 84,242,303,232
  5. Step 5: Solve for x
    x = 84,242,303,232/328,892.24
  6. Step 6: Final answer
    x = 256,139.53

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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.