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Finding the Fourth Proportional to 499,873.48, 749,477.61 and 275,339.66

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Solution

The fourth proportional to 499,873.48, 749,477.61 and 275,339.66 is: 412,826.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,873.48 : 749,477.61 = 275,339.66 : x
  2. Step 2: Convert to fraction form
    499,873.48/749,477.61 = 275,339.66/x
  3. Step 3: Cross multiply
    499,873.48x = 749,477.61 × 275,339.66
  4. Step 4: Simplify right side
    499,873.48x = 206,360,906,567.63
  5. Step 5: Solve for x
    x = 206,360,906,567.63/499,873.48
  6. Step 6: Final answer
    x = 412,826.28

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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.