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Finding the Fourth Proportional to 482,328.35, 723,596.21 and 162,512

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Solution

The fourth proportional to 482,328.35, 723,596.21 and 162,512 is: 243,802.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,328.35 : 723,596.21 = 162,512 : x
  2. Step 2: Convert to fraction form
    482,328.35/723,596.21 = 162,512/x
  3. Step 3: Cross multiply
    482,328.35x = 723,596.21 × 162,512
  4. Step 4: Simplify right side
    482,328.35x = 117,593,067,279.52
  5. Step 5: Solve for x
    x = 117,593,067,279.52/482,328.35
  6. Step 6: Final answer
    x = 243,802.93

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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.