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Finding the Fourth Proportional to 366,679.37, 550,019.50 and 100,442.18

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Solution

The fourth proportional to 366,679.37, 550,019.50 and 100,442.18 is: 150,663.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,679.37 : 550,019.50 = 100,442.18 : x
  2. Step 2: Convert to fraction form
    366,679.37/550,019.50 = 100,442.18/x
  3. Step 3: Cross multiply
    366,679.37x = 550,019.50 × 100,442.18
  4. Step 4: Simplify right side
    366,679.37x = 55,245,158,746.45
  5. Step 5: Solve for x
    x = 55,245,158,746.45/366,679.37
  6. Step 6: Final answer
    x = 150,663.39

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1.5x scale

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.