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Finding the Fourth Proportional to 370,193.55, 510,868.68 and 200,427.67

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Solution

The fourth proportional to 370,193.55, 510,868.68 and 200,427.67 is: 276,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,193.55 : 510,868.68 = 200,427.67 : x
  2. Step 2: Convert to fraction form
    370,193.55/510,868.68 = 200,427.67/x
  3. Step 3: Cross multiply
    370,193.55x = 510,868.68 × 200,427.67
  4. Step 4: Simplify right side
    370,193.55x = 102,392,219,208.38
  5. Step 5: Solve for x
    x = 102,392,219,208.38/370,193.55
  6. Step 6: Final answer
    x = 276,591.04

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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.