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Finding the Fourth Proportional to 508,375.66, 701,591.25 and 282,021.34

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Solution

The fourth proportional to 508,375.66, 701,591.25 and 282,021.34 is: 389,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,375.66 : 701,591.25 = 282,021.34 : x
  2. Step 2: Convert to fraction form
    508,375.66/701,591.25 = 282,021.34/x
  3. Step 3: Cross multiply
    508,375.66x = 701,591.25 × 282,021.34
  4. Step 4: Simplify right side
    508,375.66x = 197,863,704,457.28
  5. Step 5: Solve for x
    x = 197,863,704,457.28/508,375.66
  6. Step 6: Final answer
    x = 389,207.67

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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.