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Finding the Fourth Proportional to 580,615.45, 870,923.25 and 181,290.43

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Solution

The fourth proportional to 580,615.45, 870,923.25 and 181,290.43 is: 271,935.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,615.45 : 870,923.25 = 181,290.43 : x
  2. Step 2: Convert to fraction form
    580,615.45/870,923.25 = 181,290.43/x
  3. Step 3: Cross multiply
    580,615.45x = 870,923.25 × 181,290.43
  4. Step 4: Simplify right side
    580,615.45x = 157,890,050,489.50
  5. Step 5: Solve for x
    x = 157,890,050,489.50/580,615.45
  6. Step 6: Final answer
    x = 271,935.67

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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.