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Finding the Fourth Proportional to 481,597.48, 665,051.26 and 360,528.57

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Solution

The fourth proportional to 481,597.48, 665,051.26 and 360,528.57 is: 497,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,597.48 : 665,051.26 = 360,528.57 : x
  2. Step 2: Convert to fraction form
    481,597.48/665,051.26 = 360,528.57/x
  3. Step 3: Cross multiply
    481,597.48x = 665,051.26 × 360,528.57
  4. Step 4: Simplify right side
    481,597.48x = 239,769,979,744.50
  5. Step 5: Solve for x
    x = 239,769,979,744.50/481,597.48
  6. Step 6: Final answer
    x = 497,863.86

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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.