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Finding the Fourth Proportional to 304,519.37, 456,776.53 and 238,015.40

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Solution

The fourth proportional to 304,519.37, 456,776.53 and 238,015.40 is: 357,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,519.37 : 456,776.53 = 238,015.40 : x
  2. Step 2: Convert to fraction form
    304,519.37/456,776.53 = 238,015.40/x
  3. Step 3: Cross multiply
    304,519.37x = 456,776.53 × 238,015.40
  4. Step 4: Simplify right side
    304,519.37x = 108,719,848,498.56
  5. Step 5: Solve for x
    x = 108,719,848,498.56/304,519.37
  6. Step 6: Final answer
    x = 357,021.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.