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Finding the Fourth Proportional to 419,610.74, 629,420.47 and 335,903.01

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Solution

The fourth proportional to 419,610.74, 629,420.47 and 335,903.01 is: 503,858.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,610.74 : 629,420.47 = 335,903.01 : x
  2. Step 2: Convert to fraction form
    419,610.74/629,420.47 = 335,903.01/x
  3. Step 3: Cross multiply
    419,610.74x = 629,420.47 × 335,903.01
  4. Step 4: Simplify right side
    419,610.74x = 211,424,225,602.00
  5. Step 5: Solve for x
    x = 211,424,225,602.00/419,610.74
  6. Step 6: Final answer
    x = 503,858.00

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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.