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Finding the Fourth Proportional to 499,241.20, 749,663.70 and 462,402.40

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Solution

The fourth proportional to 499,241.20, 749,663.70 and 462,402.40 is: 694,346.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,241.20 : 749,663.70 = 462,402.40 : x
  2. Step 2: Convert to fraction form
    499,241.20/749,663.70 = 462,402.40/x
  3. Step 3: Cross multiply
    499,241.20x = 749,663.70 × 462,402.40
  4. Step 4: Simplify right side
    499,241.20x = 346,646,294,072.88
  5. Step 5: Solve for x
    x = 346,646,294,072.88/499,241.20
  6. Step 6: Final answer
    x = 694,346.33

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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.