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Finding the Fourth Proportional to 508,505.46, 701,866.53 and 347,425.62

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Solution

The fourth proportional to 508,505.46, 701,866.53 and 347,425.62 is: 479,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,505.46 : 701,866.53 = 347,425.62 : x
  2. Step 2: Convert to fraction form
    508,505.46/701,866.53 = 347,425.62/x
  3. Step 3: Cross multiply
    508,505.46x = 701,866.53 × 347,425.62
  4. Step 4: Simplify right side
    508,505.46x = 243,846,414,342.50
  5. Step 5: Solve for x
    x = 243,846,414,342.50/508,505.46
  6. Step 6: Final answer
    x = 479,535.49

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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.