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Finding the Fourth Proportional to 734.38, 1,014.48 and 586.84

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Solution

The fourth proportional to 734.38, 1,014.48 and 586.84 is: 810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    734.38 : 1,014.48 = 586.84 : x
  2. Step 2: Convert to fraction form
    734.38/1,014.48 = 586.84/x
  3. Step 3: Cross multiply
    734.38x = 1,014.48 × 586.84
  4. Step 4: Simplify right side
    734.38x = 595,337.44
  5. Step 5: Solve for x
    x = 595,337.44/734.38
  6. Step 6: Final answer
    x = 810.67

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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.