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Finding the Fourth Proportional to 370,908.33, 556,431.66 and 168,518.61

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Solution

The fourth proportional to 370,908.33, 556,431.66 and 168,518.61 is: 252,809.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,908.33 : 556,431.66 = 168,518.61 : x
  2. Step 2: Convert to fraction form
    370,908.33/556,431.66 = 168,518.61/x
  3. Step 3: Cross multiply
    370,908.33x = 556,431.66 × 168,518.61
  4. Step 4: Simplify right side
    370,908.33x = 93,769,089,903.19
  5. Step 5: Solve for x
    x = 93,769,089,903.19/370,908.33
  6. Step 6: Final answer
    x = 252,809.34

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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.