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Finding the Fourth Proportional to 346,991.46, 478,851.93 and 203,753.22

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Solution

The fourth proportional to 346,991.46, 478,851.93 and 203,753.22 is: 281,181.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,991.46 : 478,851.93 = 203,753.22 : x
  2. Step 2: Convert to fraction form
    346,991.46/478,851.93 = 203,753.22/x
  3. Step 3: Cross multiply
    346,991.46x = 478,851.93 × 203,753.22
  4. Step 4: Simplify right side
    346,991.46x = 97,567,622,640.71
  5. Step 5: Solve for x
    x = 97,567,622,640.71/346,991.46
  6. Step 6: Final answer
    x = 281,181.63

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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.