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Finding the Fourth Proportional to 432,916.49, 649,470.56 and 148,600.67

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Solution

The fourth proportional to 432,916.49, 649,470.56 and 148,600.67 is: 222,933.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,916.49 : 649,470.56 = 148,600.67 : x
  2. Step 2: Convert to fraction form
    432,916.49/649,470.56 = 148,600.67/x
  3. Step 3: Cross multiply
    432,916.49x = 649,470.56 × 148,600.67
  4. Step 4: Simplify right side
    432,916.49x = 96,511,756,370.92
  5. Step 5: Solve for x
    x = 96,511,756,370.92/432,916.49
  6. Step 6: Final answer
    x = 222,933.89

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1.5x scale

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.