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Finding the Fourth Proportional to 401,560.02, 554,059.90 and 240,353.82

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Solution

The fourth proportional to 401,560.02, 554,059.90 and 240,353.82 is: 331,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,560.02 : 554,059.90 = 240,353.82 : x
  2. Step 2: Convert to fraction form
    401,560.02/554,059.90 = 240,353.82/x
  3. Step 3: Cross multiply
    401,560.02x = 554,059.90 × 240,353.82
  4. Step 4: Simplify right side
    401,560.02x = 133,170,410,102.63
  5. Step 5: Solve for x
    x = 133,170,410,102.63/401,560.02
  6. Step 6: Final answer
    x = 331,632.65

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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.