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Finding the Fourth Proportional to 375,762.38, 518,558.76 and 203,685.98

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Solution

The fourth proportional to 375,762.38, 518,558.76 and 203,685.98 is: 281,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,762.38 : 518,558.76 = 203,685.98 : x
  2. Step 2: Convert to fraction form
    375,762.38/518,558.76 = 203,685.98/x
  3. Step 3: Cross multiply
    375,762.38x = 518,558.76 × 203,685.98
  4. Step 4: Simplify right side
    375,762.38x = 105,623,146,625.39
  5. Step 5: Solve for x
    x = 105,623,146,625.39/375,762.38
  6. Step 6: Final answer
    x = 281,090.27

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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.