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Finding the Fourth Proportional to 306,729.48, 460,118.83 and 107,045.45

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Solution

The fourth proportional to 306,729.48, 460,118.83 and 107,045.45 is: 160,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,729.48 : 460,118.83 = 107,045.45 : x
  2. Step 2: Convert to fraction form
    306,729.48/460,118.83 = 107,045.45/x
  3. Step 3: Cross multiply
    306,729.48x = 460,118.83 × 107,045.45
  4. Step 4: Simplify right side
    306,729.48x = 49,253,626,568.77
  5. Step 5: Solve for x
    x = 49,253,626,568.77/306,729.48
  6. Step 6: Final answer
    x = 160,576.76

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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.