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Finding the Fourth Proportional to 499,151.03, 748,803.96 and 210,963.89

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Solution

The fourth proportional to 499,151.03, 748,803.96 and 210,963.89 is: 316,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,151.03 : 748,803.96 = 210,963.89 : x
  2. Step 2: Convert to fraction form
    499,151.03/748,803.96 = 210,963.89/x
  3. Step 3: Cross multiply
    499,151.03x = 748,803.96 × 210,963.89
  4. Step 4: Simplify right side
    499,151.03x = 157,970,592,504.99
  5. Step 5: Solve for x
    x = 157,970,592,504.99/499,151.03
  6. Step 6: Final answer
    x = 316,478.55

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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.