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Finding the Fourth Proportional to 532,869.36, 735,324.36 and 303,450

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Solution

The fourth proportional to 532,869.36, 735,324.36 and 303,450 is: 418,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,869.36 : 735,324.36 = 303,450 : x
  2. Step 2: Convert to fraction form
    532,869.36/735,324.36 = 303,450/x
  3. Step 3: Cross multiply
    532,869.36x = 735,324.36 × 303,450
  4. Step 4: Simplify right side
    532,869.36x = 223,134,177,042
  5. Step 5: Solve for x
    x = 223,134,177,042/532,869.36
  6. Step 6: Final answer
    x = 418,740.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.