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Finding the Fourth Proportional to 481,032.87, 721,798.26 and 349,002.87

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Solution

The fourth proportional to 481,032.87, 721,798.26 and 349,002.87 is: 523,684.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,032.87 : 721,798.26 = 349,002.87 : x
  2. Step 2: Convert to fraction form
    481,032.87/721,798.26 = 349,002.87/x
  3. Step 3: Cross multiply
    481,032.87x = 721,798.26 × 349,002.87
  4. Step 4: Simplify right side
    481,032.87x = 251,909,664,301.01
  5. Step 5: Solve for x
    x = 251,909,664,301.01/481,032.87
  6. Step 6: Final answer
    x = 523,684.93

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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.