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Finding the Fourth Proportional to 335,653.65, 503,430.48 and 111,015.36

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Solution

The fourth proportional to 335,653.65, 503,430.48 and 111,015.36 is: 166,506.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,653.65 : 503,430.48 = 111,015.36 : x
  2. Step 2: Convert to fraction form
    335,653.65/503,430.48 = 111,015.36/x
  3. Step 3: Cross multiply
    335,653.65x = 503,430.48 × 111,015.36
  4. Step 4: Simplify right side
    335,653.65x = 55,888,515,972.17
  5. Step 5: Solve for x
    x = 55,888,515,972.17/335,653.65
  6. Step 6: Final answer
    x = 166,506.50

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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.