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Finding the Fourth Proportional to 400,753.47, 600,905.01 and 274,536.03

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Solution

The fourth proportional to 400,753.47, 600,905.01 and 274,536.03 is: 411,649.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,753.47 : 600,905.01 = 274,536.03 : x
  2. Step 2: Convert to fraction form
    400,753.47/600,905.01 = 274,536.03/x
  3. Step 3: Cross multiply
    400,753.47x = 600,905.01 × 274,536.03
  4. Step 4: Simplify right side
    400,753.47x = 164,970,075,852.51
  5. Step 5: Solve for x
    x = 164,970,075,852.51/400,753.47
  6. Step 6: Final answer
    x = 411,649.78

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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.