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Finding the Fourth Proportional to 400,751.47, 600,902.02 and 274,534.03

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Solution

The fourth proportional to 400,751.47, 600,902.02 and 274,534.03 is: 411,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,751.47 : 600,902.02 = 274,534.03 : x
  2. Step 2: Convert to fraction form
    400,751.47/600,902.02 = 274,534.03/x
  3. Step 3: Cross multiply
    400,751.47x = 600,902.02 × 274,534.03
  4. Step 4: Simplify right side
    400,751.47x = 164,968,048,808.56
  5. Step 5: Solve for x
    x = 164,968,048,808.56/400,751.47
  6. Step 6: Final answer
    x = 411,646.78

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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.