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Finding the Fourth Proportional to 353,711.70, 530,234.03 and 176,050.76

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Solution

The fourth proportional to 353,711.70, 530,234.03 and 176,050.76 is: 263,910.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,711.70 : 530,234.03 = 176,050.76 : x
  2. Step 2: Convert to fraction form
    353,711.70/530,234.03 = 176,050.76/x
  3. Step 3: Cross multiply
    353,711.70x = 530,234.03 × 176,050.76
  4. Step 4: Simplify right side
    353,711.70x = 93,348,101,748.32
  5. Step 5: Solve for x
    x = 93,348,101,748.32/353,711.70
  6. Step 6: Final answer
    x = 263,910.13

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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.