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Finding the Fourth Proportional to 274,116.50, 411,235.23 and 116,479.70

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Solution

The fourth proportional to 274,116.50, 411,235.23 and 116,479.70 is: 174,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,116.50 : 411,235.23 = 116,479.70 : x
  2. Step 2: Convert to fraction form
    274,116.50/411,235.23 = 116,479.70/x
  3. Step 3: Cross multiply
    274,116.50x = 411,235.23 × 116,479.70
  4. Step 4: Simplify right side
    274,116.50x = 47,900,556,219.83
  5. Step 5: Solve for x
    x = 47,900,556,219.83/274,116.50
  6. Step 6: Final answer
    x = 174,745.25

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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.