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Finding the Fourth Proportional to 482,423.01, 723,123.81 and 162,270.11

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Solution

The fourth proportional to 482,423.01, 723,123.81 and 162,270.11 is: 243,233.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,423.01 : 723,123.81 = 162,270.11 : x
  2. Step 2: Convert to fraction form
    482,423.01/723,123.81 = 162,270.11/x
  3. Step 3: Cross multiply
    482,423.01x = 723,123.81 × 162,270.11
  4. Step 4: Simplify right side
    482,423.01x = 117,341,376,576.70
  5. Step 5: Solve for x
    x = 117,341,376,576.70/482,423.01
  6. Step 6: Final answer
    x = 243,233.37

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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.