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Finding the Fourth Proportional to 499,235.17, 748,090.67 and 296,431.90

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Solution

The fourth proportional to 499,235.17, 748,090.67 and 296,431.90 is: 444,195.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,235.17 : 748,090.67 = 296,431.90 : x
  2. Step 2: Convert to fraction form
    499,235.17/748,090.67 = 296,431.90/x
  3. Step 3: Cross multiply
    499,235.17x = 748,090.67 × 296,431.90
  4. Step 4: Simplify right side
    499,235.17x = 221,757,935,327.99
  5. Step 5: Solve for x
    x = 221,757,935,327.99/499,235.17
  6. Step 6: Final answer
    x = 444,195.34

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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.