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Finding the Fourth Proportional to 620,193.17, 929,044.17 and 282,769.67

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Solution

The fourth proportional to 620,193.17, 929,044.17 and 282,769.67 is: 423,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,193.17 : 929,044.17 = 282,769.67 : x
  2. Step 2: Convert to fraction form
    620,193.17/929,044.17 = 282,769.67/x
  3. Step 3: Cross multiply
    620,193.17x = 929,044.17 × 282,769.67
  4. Step 4: Simplify right side
    620,193.17x = 262,705,515,688.93
  5. Step 5: Solve for x
    x = 262,705,515,688.93/620,193.17
  6. Step 6: Final answer
    x = 423,586.60

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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.