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Finding the Fourth Proportional to 234,014.40, 350,438.40 and 187,358.40

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Solution

The fourth proportional to 234,014.40, 350,438.40 and 187,358.40 is: 280,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,014.40 : 350,438.40 = 187,358.40 : x
  2. Step 2: Convert to fraction form
    234,014.40/350,438.40 = 187,358.40/x
  3. Step 3: Cross multiply
    234,014.40x = 350,438.40 × 187,358.40
  4. Step 4: Simplify right side
    234,014.40x = 65,657,577,922.56
  5. Step 5: Solve for x
    x = 65,657,577,922.56/234,014.40
  6. Step 6: Final answer
    x = 280,570.67

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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.