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Finding the Fourth Proportional to 440,008.88, 658,896.90 and 368,744.12

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Solution

The fourth proportional to 440,008.88, 658,896.90 and 368,744.12 is: 552,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,008.88 : 658,896.90 = 368,744.12 : x
  2. Step 2: Convert to fraction form
    440,008.88/658,896.90 = 368,744.12/x
  3. Step 3: Cross multiply
    440,008.88x = 658,896.90 × 368,744.12
  4. Step 4: Simplify right side
    440,008.88x = 242,964,357,561.23
  5. Step 5: Solve for x
    x = 242,964,357,561.23/440,008.88
  6. Step 6: Final answer
    x = 552,180.58

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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.