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Finding the Fourth Proportional to 379,975.04, 570,119.49 and 166,632.51

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Solution

The fourth proportional to 379,975.04, 570,119.49 and 166,632.51 is: 250,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,975.04 : 570,119.49 = 166,632.51 : x
  2. Step 2: Convert to fraction form
    379,975.04/570,119.49 = 166,632.51/x
  3. Step 3: Cross multiply
    379,975.04x = 570,119.49 × 166,632.51
  4. Step 4: Simplify right side
    379,975.04x = 95,000,441,618.62
  5. Step 5: Solve for x
    x = 95,000,441,618.62/379,975.04
  6. Step 6: Final answer
    x = 250,017.58

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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.