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Finding the Fourth Proportional to 349,446.48, 481,046.08 and 258,631.30

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Solution

The fourth proportional to 349,446.48, 481,046.08 and 258,631.30 is: 356,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,446.48 : 481,046.08 = 258,631.30 : x
  2. Step 2: Convert to fraction form
    349,446.48/481,046.08 = 258,631.30/x
  3. Step 3: Cross multiply
    349,446.48x = 481,046.08 × 258,631.30
  4. Step 4: Simplify right side
    349,446.48x = 124,413,573,030.30
  5. Step 5: Solve for x
    x = 124,413,573,030.30/349,446.48
  6. Step 6: Final answer
    x = 356,030.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.