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Finding the Fourth Proportional to 483,407.30, 725,125.26 and 230,714.40

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Solution

The fourth proportional to 483,407.30, 725,125.26 and 230,714.40 is: 346,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,407.30 : 725,125.26 = 230,714.40 : x
  2. Step 2: Convert to fraction form
    483,407.30/725,125.26 = 230,714.40/x
  3. Step 3: Cross multiply
    483,407.30x = 725,125.26 × 230,714.40
  4. Step 4: Simplify right side
    483,407.30x = 167,296,839,285.74
  5. Step 5: Solve for x
    x = 167,296,839,285.74/483,407.30
  6. Step 6: Final answer
    x = 346,078.43

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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.