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Finding the Fourth Proportional to 509,346.45, 702,008.37 and 373,090.82

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Solution

The fourth proportional to 509,346.45, 702,008.37 and 373,090.82 is: 514,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,346.45 : 702,008.37 = 373,090.82 : x
  2. Step 2: Convert to fraction form
    509,346.45/702,008.37 = 373,090.82/x
  3. Step 3: Cross multiply
    509,346.45x = 702,008.37 × 373,090.82
  4. Step 4: Simplify right side
    509,346.45x = 261,912,874,900.12
  5. Step 5: Solve for x
    x = 261,912,874,900.12/509,346.45
  6. Step 6: Final answer
    x = 514,213.61

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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.