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Finding the Fourth Proportional to 481,300.68, 721,593.20 and 291,714.52

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Solution

The fourth proportional to 481,300.68, 721,593.20 and 291,714.52 is: 437,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,300.68 : 721,593.20 = 291,714.52 : x
  2. Step 2: Convert to fraction form
    481,300.68/721,593.20 = 291,714.52/x
  3. Step 3: Cross multiply
    481,300.68x = 721,593.20 × 291,714.52
  4. Step 4: Simplify right side
    481,300.68x = 210,499,213,973.26
  5. Step 5: Solve for x
    x = 210,499,213,973.26/481,300.68
  6. Step 6: Final answer
    x = 437,354.91

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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.