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Finding the Fourth Proportional to 310,376.76, 465,234.13 and 176,969.76

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Solution

The fourth proportional to 310,376.76, 465,234.13 and 176,969.76 is: 265,265.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,376.76 : 465,234.13 = 176,969.76 : x
  2. Step 2: Convert to fraction form
    310,376.76/465,234.13 = 176,969.76/x
  3. Step 3: Cross multiply
    310,376.76x = 465,234.13 × 176,969.76
  4. Step 4: Simplify right side
    310,376.76x = 82,332,373,423.44
  5. Step 5: Solve for x
    x = 82,332,373,423.44/310,376.76
  6. Step 6: Final answer
    x = 265,265.91

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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.