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Finding the Fourth Proportional to 498,471.60, 746,670.60 and 415,527.60

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Solution

The fourth proportional to 498,471.60, 746,670.60 and 415,527.60 is: 622,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,471.60 : 746,670.60 = 415,527.60 : x
  2. Step 2: Convert to fraction form
    498,471.60/746,670.60 = 415,527.60/x
  3. Step 3: Cross multiply
    498,471.60x = 746,670.60 × 415,527.60
  4. Step 4: Simplify right side
    498,471.60x = 310,262,242,408.56
  5. Step 5: Solve for x
    x = 310,262,242,408.56/498,471.60
  6. Step 6: Final answer
    x = 622,427.12

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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.