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Finding the Fourth Proportional to 505,420.02, 697,187.25 and 326,572.02

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Solution

The fourth proportional to 505,420.02, 697,187.25 and 326,572.02 is: 450,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,420.02 : 697,187.25 = 326,572.02 : x
  2. Step 2: Convert to fraction form
    505,420.02/697,187.25 = 326,572.02/x
  3. Step 3: Cross multiply
    505,420.02x = 697,187.25 × 326,572.02
  4. Step 4: Simplify right side
    505,420.02x = 227,681,848,550.75
  5. Step 5: Solve for x
    x = 227,681,848,550.75/505,420.02
  6. Step 6: Final answer
    x = 450,480.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.