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Finding the Fourth Proportional to 458,818.43, 688,297.67 and 234,056.25

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Solution

The fourth proportional to 458,818.43, 688,297.67 and 234,056.25 is: 351,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,818.43 : 688,297.67 = 234,056.25 : x
  2. Step 2: Convert to fraction form
    458,818.43/688,297.67 = 234,056.25/x
  3. Step 3: Cross multiply
    458,818.43x = 688,297.67 × 234,056.25
  4. Step 4: Simplify right side
    458,818.43x = 161,100,371,523.94
  5. Step 5: Solve for x
    x = 161,100,371,523.94/458,818.43
  6. Step 6: Final answer
    x = 351,120.10

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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.