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Finding the Fourth Proportional to 508,885.52, 702,234.60 and 282,516.44

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Solution

The fourth proportional to 508,885.52, 702,234.60 and 282,516.44 is: 389,857.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,885.52 : 702,234.60 = 282,516.44 : x
  2. Step 2: Convert to fraction form
    508,885.52/702,234.60 = 282,516.44/x
  3. Step 3: Cross multiply
    508,885.52x = 702,234.60 × 282,516.44
  4. Step 4: Simplify right side
    508,885.52x = 198,392,819,236.82
  5. Step 5: Solve for x
    x = 198,392,819,236.82/508,885.52
  6. Step 6: Final answer
    x = 389,857.47

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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.