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Finding the Fourth Proportional to 347,287.92, 520,852.74 and 167,281.38

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Solution

The fourth proportional to 347,287.92, 520,852.74 and 167,281.38 is: 250,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,287.92 : 520,852.74 = 167,281.38 : x
  2. Step 2: Convert to fraction form
    347,287.92/520,852.74 = 167,281.38/x
  3. Step 3: Cross multiply
    347,287.92x = 520,852.74 × 167,281.38
  4. Step 4: Simplify right side
    347,287.92x = 87,128,965,123.98
  5. Step 5: Solve for x
    x = 87,128,965,123.98/347,287.92
  6. Step 6: Final answer
    x = 250,883.95

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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.