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Finding the Fourth Proportional to 384,597.86, 576,868.91 and 168,478.52

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Solution

The fourth proportional to 384,597.86, 576,868.91 and 168,478.52 is: 252,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,597.86 : 576,868.91 = 168,478.52 : x
  2. Step 2: Convert to fraction form
    384,597.86/576,868.91 = 168,478.52/x
  3. Step 3: Cross multiply
    384,597.86x = 576,868.91 × 168,478.52
  4. Step 4: Simplify right side
    384,597.86x = 97,190,016,464.08
  5. Step 5: Solve for x
    x = 97,190,016,464.08/384,597.86
  6. Step 6: Final answer
    x = 252,705.56

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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.