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Finding the Fourth Proportional to 547,073.60, 820,528.32 and 173,048

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Solution

The fourth proportional to 547,073.60, 820,528.32 and 173,048 is: 259,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,073.60 : 820,528.32 = 173,048 : x
  2. Step 2: Convert to fraction form
    547,073.60/820,528.32 = 173,048/x
  3. Step 3: Cross multiply
    547,073.60x = 820,528.32 × 173,048
  4. Step 4: Simplify right side
    547,073.60x = 141,990,784,719.36
  5. Step 5: Solve for x
    x = 141,990,784,719.36/547,073.60
  6. Step 6: Final answer
    x = 259,546.04

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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.