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Finding the Fourth Proportional to 547,071.60, 820,525.32 and 173,046

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Solution

The fourth proportional to 547,071.60, 820,525.32 and 173,046 is: 259,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,071.60 : 820,525.32 = 173,046 : x
  2. Step 2: Convert to fraction form
    547,071.60/820,525.32 = 173,046/x
  3. Step 3: Cross multiply
    547,071.60x = 820,525.32 × 173,046
  4. Step 4: Simplify right side
    547,071.60x = 141,988,624,524.72
  5. Step 5: Solve for x
    x = 141,988,624,524.72/547,071.60
  6. Step 6: Final answer
    x = 259,543.04

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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.