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Finding the Fourth Proportional to 274,706.60, 412,059.90 and 228,050.60

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Solution

The fourth proportional to 274,706.60, 412,059.90 and 228,050.60 is: 342,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,706.60 : 412,059.90 = 228,050.60 : x
  2. Step 2: Convert to fraction form
    274,706.60/412,059.90 = 228,050.60/x
  3. Step 3: Cross multiply
    274,706.60x = 412,059.90 × 228,050.60
  4. Step 4: Simplify right side
    274,706.60x = 93,970,507,430.94
  5. Step 5: Solve for x
    x = 93,970,507,430.94/274,706.60
  6. Step 6: Final answer
    x = 342,075.90

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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.