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Finding the Fourth Proportional to 598,554.56, 825,335.52 and 489,317.96

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Solution

The fourth proportional to 598,554.56, 825,335.52 and 489,317.96 is: 674,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,554.56 : 825,335.52 = 489,317.96 : x
  2. Step 2: Convert to fraction form
    598,554.56/825,335.52 = 489,317.96/x
  3. Step 3: Cross multiply
    598,554.56x = 825,335.52 × 489,317.96
  4. Step 4: Simplify right side
    598,554.56x = 403,851,492,961.94
  5. Step 5: Solve for x
    x = 403,851,492,961.94/598,554.56
  6. Step 6: Final answer
    x = 674,711.25

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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.