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Finding the Fourth Proportional to 313,980.70, 433,141.02 and 186,566.08

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Solution

The fourth proportional to 313,980.70, 433,141.02 and 186,566.08 is: 257,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,980.70 : 433,141.02 = 186,566.08 : x
  2. Step 2: Convert to fraction form
    313,980.70/433,141.02 = 186,566.08/x
  3. Step 3: Cross multiply
    313,980.70x = 433,141.02 × 186,566.08
  4. Step 4: Simplify right side
    313,980.70x = 80,809,422,188.60
  5. Step 5: Solve for x
    x = 80,809,422,188.60/313,980.70
  6. Step 6: Final answer
    x = 257,370.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.