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Finding the Fourth Proportional to 436,532.76, 654,142.68 and 246,788.64

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Solution

The fourth proportional to 436,532.76, 654,142.68 and 246,788.64 is: 369,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,532.76 : 654,142.68 = 246,788.64 : x
  2. Step 2: Convert to fraction form
    436,532.76/654,142.68 = 246,788.64/x
  3. Step 3: Cross multiply
    436,532.76x = 654,142.68 × 246,788.64
  4. Step 4: Simplify right side
    436,532.76x = 161,434,982,363.16
  5. Step 5: Solve for x
    x = 161,434,982,363.16/436,532.76
  6. Step 6: Final answer
    x = 369,811.84

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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.