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Finding the Fourth Proportional to 499,511.03, 749,266.54 and 453,748.05

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Solution

The fourth proportional to 499,511.03, 749,266.54 and 453,748.05 is: 680,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,511.03 : 749,266.54 = 453,748.05 : x
  2. Step 2: Convert to fraction form
    499,511.03/749,266.54 = 453,748.05/x
  3. Step 3: Cross multiply
    499,511.03x = 749,266.54 × 453,748.05
  4. Step 4: Simplify right side
    499,511.03x = 339,978,230,320.88
  5. Step 5: Solve for x
    x = 339,978,230,320.88/499,511.03
  6. Step 6: Final answer
    x = 680,622.08

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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.