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Finding the Fourth Proportional to 531,245.76, 733,837.12 and 424,563.52

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Solution

The fourth proportional to 531,245.76, 733,837.12 and 424,563.52 is: 586,471.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,245.76 : 733,837.12 = 424,563.52 : x
  2. Step 2: Convert to fraction form
    531,245.76/733,837.12 = 424,563.52/x
  3. Step 3: Cross multiply
    531,245.76x = 733,837.12 × 424,563.52
  4. Step 4: Simplify right side
    531,245.76x = 311,560,470,773.86
  5. Step 5: Solve for x
    x = 311,560,470,773.86/531,245.76
  6. Step 6: Final answer
    x = 586,471.45

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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.