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Finding the Fourth Proportional to 499,576.72, 749,893.20 and 488,295.04

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Solution

The fourth proportional to 499,576.72, 749,893.20 and 488,295.04 is: 732,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,576.72 : 749,893.20 = 488,295.04 : x
  2. Step 2: Convert to fraction form
    499,576.72/749,893.20 = 488,295.04/x
  3. Step 3: Cross multiply
    499,576.72x = 749,893.20 × 488,295.04
  4. Step 4: Simplify right side
    499,576.72x = 366,169,130,089.73
  5. Step 5: Solve for x
    x = 366,169,130,089.73/499,576.72
  6. Step 6: Final answer
    x = 732,958.75

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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.