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Finding the Fourth Proportional to 353,724.72, 530,253.52 and 176,063.80

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Solution

The fourth proportional to 353,724.72, 530,253.52 and 176,063.80 is: 263,929.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,724.72 : 530,253.52 = 176,063.80 : x
  2. Step 2: Convert to fraction form
    353,724.72/530,253.52 = 176,063.80/x
  3. Step 3: Cross multiply
    353,724.72x = 530,253.52 × 176,063.80
  4. Step 4: Simplify right side
    353,724.72x = 93,358,449,694.58
  5. Step 5: Solve for x
    x = 93,358,449,694.58/353,724.72
  6. Step 6: Final answer
    x = 263,929.67

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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.