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Finding the Fourth Proportional to 560,157.78, 840,137.04 and 223,170.24

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Solution

The fourth proportional to 560,157.78, 840,137.04 and 223,170.24 is: 334,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,157.78 : 840,137.04 = 223,170.24 : x
  2. Step 2: Convert to fraction form
    560,157.78/840,137.04 = 223,170.24/x
  3. Step 3: Cross multiply
    560,157.78x = 840,137.04 × 223,170.24
  4. Step 4: Simplify right side
    560,157.78x = 187,493,584,849.69
  5. Step 5: Solve for x
    x = 187,493,584,849.69/560,157.78
  6. Step 6: Final answer
    x = 334,715.67

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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.