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Finding the Fourth Proportional to 328,587.39, 453,495.99 and 192,654.81

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Solution

The fourth proportional to 328,587.39, 453,495.99 and 192,654.81 is: 265,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,587.39 : 453,495.99 = 192,654.81 : x
  2. Step 2: Convert to fraction form
    328,587.39/453,495.99 = 192,654.81/x
  3. Step 3: Cross multiply
    328,587.39x = 453,495.99 × 192,654.81
  4. Step 4: Simplify right side
    328,587.39x = 87,368,183,789.21
  5. Step 5: Solve for x
    x = 87,368,183,789.21/328,587.39
  6. Step 6: Final answer
    x = 265,890.25

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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.