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Finding the Fourth Proportional to 328,398.51, 453,189.83 and 177,495.51

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Solution

The fourth proportional to 328,398.51, 453,189.83 and 177,495.51 is: 244,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,398.51 : 453,189.83 = 177,495.51 : x
  2. Step 2: Convert to fraction form
    328,398.51/453,189.83 = 177,495.51/x
  3. Step 3: Cross multiply
    328,398.51x = 453,189.83 × 177,495.51
  4. Step 4: Simplify right side
    328,398.51x = 80,439,159,115.19
  5. Step 5: Solve for x
    x = 80,439,159,115.19/328,398.51
  6. Step 6: Final answer
    x = 244,943.74

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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.