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Finding the Fourth Proportional to 304,858.80, 420,699.44 and 184,005.18

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Solution

The fourth proportional to 304,858.80, 420,699.44 and 184,005.18 is: 253,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,858.80 : 420,699.44 = 184,005.18 : x
  2. Step 2: Convert to fraction form
    304,858.80/420,699.44 = 184,005.18/x
  3. Step 3: Cross multiply
    304,858.80x = 420,699.44 × 184,005.18
  4. Step 4: Simplify right side
    304,858.80x = 77,410,876,643.11
  5. Step 5: Solve for x
    x = 77,410,876,643.11/304,858.80
  6. Step 6: Final answer
    x = 253,923.71

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1.5x scale

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.