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Finding the Fourth Proportional to 702,501.44, 969,453.12 and 380,211.76

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Solution

The fourth proportional to 702,501.44, 969,453.12 and 380,211.76 is: 524,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,501.44 : 969,453.12 = 380,211.76 : x
  2. Step 2: Convert to fraction form
    702,501.44/969,453.12 = 380,211.76/x
  3. Step 3: Cross multiply
    702,501.44x = 969,453.12 × 380,211.76
  4. Step 4: Simplify right side
    702,501.44x = 368,597,476,992.69
  5. Step 5: Solve for x
    x = 368,597,476,992.69/702,501.44
  6. Step 6: Final answer
    x = 524,692.84

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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.