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Finding the Fourth Proportional to 186,644.80, 280,550.40 and 183,145.60

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Solution

The fourth proportional to 186,644.80, 280,550.40 and 183,145.60 is: 275,290.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,644.80 : 280,550.40 = 183,145.60 : x
  2. Step 2: Convert to fraction form
    186,644.80/280,550.40 = 183,145.60/x
  3. Step 3: Cross multiply
    186,644.80x = 280,550.40 × 183,145.60
  4. Step 4: Simplify right side
    186,644.80x = 51,381,571,338.24
  5. Step 5: Solve for x
    x = 51,381,571,338.24/186,644.80
  6. Step 6: Final answer
    x = 275,290.67

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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.