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Finding the Fourth Proportional to 496,888.56, 685,017.18 and 335,487.96

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Solution

The fourth proportional to 496,888.56, 685,017.18 and 335,487.96 is: 462,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,888.56 : 685,017.18 = 335,487.96 : x
  2. Step 2: Convert to fraction form
    496,888.56/685,017.18 = 335,487.96/x
  3. Step 3: Cross multiply
    496,888.56x = 685,017.18 × 335,487.96
  4. Step 4: Simplify right side
    496,888.56x = 229,815,016,283.15
  5. Step 5: Solve for x
    x = 229,815,016,283.15/496,888.56
  6. Step 6: Final answer
    x = 462,508.17

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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.