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Finding the Fourth Proportional to 384,596.58, 576,949.54 and 118,379.28

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Solution

The fourth proportional to 384,596.58, 576,949.54 and 118,379.28 is: 177,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,596.58 : 576,949.54 = 118,379.28 : x
  2. Step 2: Convert to fraction form
    384,596.58/576,949.54 = 118,379.28/x
  3. Step 3: Cross multiply
    384,596.58x = 576,949.54 × 118,379.28
  4. Step 4: Simplify right side
    384,596.58x = 68,298,871,141.53
  5. Step 5: Solve for x
    x = 68,298,871,141.53/384,596.58
  6. Step 6: Final answer
    x = 177,585.75

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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.