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Finding the Fourth Proportional to 655,478.82, 983,804.31 and 335,848.74

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Solution

The fourth proportional to 655,478.82, 983,804.31 and 335,848.74 is: 504,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,478.82 : 983,804.31 = 335,848.74 : x
  2. Step 2: Convert to fraction form
    655,478.82/983,804.31 = 335,848.74/x
  3. Step 3: Cross multiply
    655,478.82x = 983,804.31 × 335,848.74
  4. Step 4: Simplify right side
    655,478.82x = 330,409,437,920.07
  5. Step 5: Solve for x
    x = 330,409,437,920.07/655,478.82
  6. Step 6: Final answer
    x = 504,073.40

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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.