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Finding the Fourth Proportional to 304,993.02, 420,789.54 and 184,088.37

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Solution

The fourth proportional to 304,993.02, 420,789.54 and 184,088.37 is: 253,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,993.02 : 420,789.54 = 184,088.37 : x
  2. Step 2: Convert to fraction form
    304,993.02/420,789.54 = 184,088.37/x
  3. Step 3: Cross multiply
    304,993.02x = 420,789.54 × 184,088.37
  4. Step 4: Simplify right side
    304,993.02x = 77,462,460,531.65
  5. Step 5: Solve for x
    x = 77,462,460,531.65/304,993.02
  6. Step 6: Final answer
    x = 253,981.09

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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.