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Finding the Fourth Proportional to 323,670.92, 484,865.58 and 152,658.44

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Solution

The fourth proportional to 323,670.92, 484,865.58 and 152,658.44 is: 228,685.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,670.92 : 484,865.58 = 152,658.44 : x
  2. Step 2: Convert to fraction form
    323,670.92/484,865.58 = 152,658.44/x
  3. Step 3: Cross multiply
    323,670.92x = 484,865.58 × 152,658.44
  4. Step 4: Simplify right side
    323,670.92x = 74,018,823,052.50
  5. Step 5: Solve for x
    x = 74,018,823,052.50/323,670.92
  6. Step 6: Final answer
    x = 228,685.43

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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.