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Finding the Fourth Proportional to 304,200.05, 455,978.30 and 114,578.36

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Solution

The fourth proportional to 304,200.05, 455,978.30 and 114,578.36 is: 171,746.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,200.05 : 455,978.30 = 114,578.36 : x
  2. Step 2: Convert to fraction form
    304,200.05/455,978.30 = 114,578.36/x
  3. Step 3: Cross multiply
    304,200.05x = 455,978.30 × 114,578.36
  4. Step 4: Simplify right side
    304,200.05x = 52,245,247,231.60
  5. Step 5: Solve for x
    x = 52,245,247,231.60/304,200.05
  6. Step 6: Final answer
    x = 171,746.35

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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.