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Finding the Fourth Proportional to 496,505.28, 744,166.08 and 345,930.24

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Solution

The fourth proportional to 496,505.28, 744,166.08 and 345,930.24 is: 518,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,505.28 : 744,166.08 = 345,930.24 : x
  2. Step 2: Convert to fraction form
    496,505.28/744,166.08 = 345,930.24/x
  3. Step 3: Cross multiply
    496,505.28x = 744,166.08 × 345,930.24
  4. Step 4: Simplify right side
    496,505.28x = 257,429,550,654.26
  5. Step 5: Solve for x
    x = 257,429,550,654.26/496,505.28
  6. Step 6: Final answer
    x = 518,483.01

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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.