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Finding the Fourth Proportional to 528,211.76, 792,392.96 and 173,253.56

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Solution

The fourth proportional to 528,211.76, 792,392.96 and 173,253.56 is: 259,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,211.76 : 792,392.96 = 173,253.56 : x
  2. Step 2: Convert to fraction form
    528,211.76/792,392.96 = 173,253.56/x
  3. Step 3: Cross multiply
    528,211.76x = 792,392.96 × 173,253.56
  4. Step 4: Simplify right side
    528,211.76x = 137,284,901,238.94
  5. Step 5: Solve for x
    x = 137,284,901,238.94/528,211.76
  6. Step 6: Final answer
    x = 259,905.04

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1.5x scale

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.