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Finding the Fourth Proportional to 328,924.76, 453,927.94 and 185,710.28

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Solution

The fourth proportional to 328,924.76, 453,927.94 and 185,710.28 is: 256,286.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,924.76 : 453,927.94 = 185,710.28 : x
  2. Step 2: Convert to fraction form
    328,924.76/453,927.94 = 185,710.28/x
  3. Step 3: Cross multiply
    328,924.76x = 453,927.94 × 185,710.28
  4. Step 4: Simplify right side
    328,924.76x = 84,299,084,837.22
  5. Step 5: Solve for x
    x = 84,299,084,837.22/328,924.76
  6. Step 6: Final answer
    x = 256,286.83

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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.