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Finding the Fourth Proportional to 472,908.98, 652,630.14 and 258,060.83

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Solution

The fourth proportional to 472,908.98, 652,630.14 and 258,060.83 is: 356,132.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,908.98 : 652,630.14 = 258,060.83 : x
  2. Step 2: Convert to fraction form
    472,908.98/652,630.14 = 258,060.83/x
  3. Step 3: Cross multiply
    472,908.98x = 652,630.14 × 258,060.83
  4. Step 4: Simplify right side
    472,908.98x = 168,418,275,611.42
  5. Step 5: Solve for x
    x = 168,418,275,611.42/472,908.98
  6. Step 6: Final answer
    x = 356,132.54

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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.