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Finding the Fourth Proportional to 656,732.34, 985,382.99 and 352,771.82

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Solution

The fourth proportional to 656,732.34, 985,382.99 and 352,771.82 is: 529,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,732.34 : 985,382.99 = 352,771.82 : x
  2. Step 2: Convert to fraction form
    656,732.34/985,382.99 = 352,771.82/x
  3. Step 3: Cross multiply
    656,732.34x = 985,382.99 × 352,771.82
  4. Step 4: Simplify right side
    656,732.34x = 347,615,357,029.39
  5. Step 5: Solve for x
    x = 347,615,357,029.39/656,732.34
  6. Step 6: Final answer
    x = 529,310.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.