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Finding the Fourth Proportional to 598,552.56, 825,332.76 and 489,315.96

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Solution

The fourth proportional to 598,552.56, 825,332.76 and 489,315.96 is: 674,708.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,552.56 : 825,332.76 = 489,315.96 : x
  2. Step 2: Convert to fraction form
    598,552.56/825,332.76 = 489,315.96/x
  3. Step 3: Cross multiply
    598,552.56x = 825,332.76 × 489,315.96
  4. Step 4: Simplify right side
    598,552.56x = 403,848,491,778.85
  5. Step 5: Solve for x
    x = 403,848,491,778.85/598,552.56
  6. Step 6: Final answer
    x = 674,708.49

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1.5x scale

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.