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Finding the Fourth Proportional to 306,561.69, 459,911.73 and 93,348.67

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Solution

The fourth proportional to 306,561.69, 459,911.73 and 93,348.67 is: 140,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,561.69 : 459,911.73 = 93,348.67 : x
  2. Step 2: Convert to fraction form
    306,561.69/459,911.73 = 93,348.67/x
  3. Step 3: Cross multiply
    306,561.69x = 459,911.73 × 93,348.67
  4. Step 4: Simplify right side
    306,561.69x = 42,932,146,013.34
  5. Step 5: Solve for x
    x = 42,932,146,013.34/306,561.69
  6. Step 6: Final answer
    x = 140,044.07

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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.