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Finding the Fourth Proportional to 384,544.44, 576,817.98 and 118,303.16

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Solution

The fourth proportional to 384,544.44, 576,817.98 and 118,303.16 is: 177,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,544.44 : 576,817.98 = 118,303.16 : x
  2. Step 2: Convert to fraction form
    384,544.44/576,817.98 = 118,303.16/x
  3. Step 3: Cross multiply
    384,544.44x = 576,817.98 × 118,303.16
  4. Step 4: Simplify right side
    384,544.44x = 68,239,389,778.82
  5. Step 5: Solve for x
    x = 68,239,389,778.82/384,544.44
  6. Step 6: Final answer
    x = 177,455.15

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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.