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Finding the Fourth Proportional to 497,240.20, 744,110.70 and 339,776.20

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Solution

The fourth proportional to 497,240.20, 744,110.70 and 339,776.20 is: 508,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,240.20 : 744,110.70 = 339,776.20 : x
  2. Step 2: Convert to fraction form
    497,240.20/744,110.70 = 339,776.20/x
  3. Step 3: Cross multiply
    497,240.20x = 744,110.70 × 339,776.20
  4. Step 4: Simplify right side
    497,240.20x = 252,831,106,025.34
  5. Step 5: Solve for x
    x = 252,831,106,025.34/497,240.20
  6. Step 6: Final answer
    x = 508,468.76

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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.