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Finding the Fourth Proportional to 499,149.53, 748,801.71 and 210,962.39

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Solution

The fourth proportional to 499,149.53, 748,801.71 and 210,962.39 is: 316,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,149.53 : 748,801.71 = 210,962.39 : x
  2. Step 2: Convert to fraction form
    499,149.53/748,801.71 = 210,962.39/x
  3. Step 3: Cross multiply
    499,149.53x = 748,801.71 × 210,962.39
  4. Step 4: Simplify right side
    499,149.53x = 157,968,994,633.68
  5. Step 5: Solve for x
    x = 157,968,994,633.68/499,149.53
  6. Step 6: Final answer
    x = 316,476.30

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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.