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Finding the Fourth Proportional to 430,608.64, 594,532.56 and 269,528.80

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Solution

The fourth proportional to 430,608.64, 594,532.56 and 269,528.80 is: 372,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,608.64 : 594,532.56 = 269,528.80 : x
  2. Step 2: Convert to fraction form
    430,608.64/594,532.56 = 269,528.80/x
  3. Step 3: Cross multiply
    430,608.64x = 594,532.56 × 269,528.80
  4. Step 4: Simplify right side
    430,608.64x = 160,243,647,457.73
  5. Step 5: Solve for x
    x = 160,243,647,457.73/430,608.64
  6. Step 6: Final answer
    x = 372,132.91

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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.