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Finding the Fourth Proportional to 560,884.31, 841,503.50 and 426,591.67

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Solution

The fourth proportional to 560,884.31, 841,503.50 and 426,591.67 is: 640,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,884.31 : 841,503.50 = 426,591.67 : x
  2. Step 2: Convert to fraction form
    560,884.31/841,503.50 = 426,591.67/x
  3. Step 3: Cross multiply
    560,884.31x = 841,503.50 × 426,591.67
  4. Step 4: Simplify right side
    560,884.31x = 358,978,383,375.85
  5. Step 5: Solve for x
    x = 358,978,383,375.85/560,884.31
  6. Step 6: Final answer
    x = 640,022.15

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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.