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Finding the Fourth Proportional to 523,997.48, 786,096.66 and 168,916.16

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Solution

The fourth proportional to 523,997.48, 786,096.66 and 168,916.16 is: 253,406.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,997.48 : 786,096.66 = 168,916.16 : x
  2. Step 2: Convert to fraction form
    523,997.48/786,096.66 = 168,916.16/x
  3. Step 3: Cross multiply
    523,997.48x = 786,096.66 × 168,916.16
  4. Step 4: Simplify right side
    523,997.48x = 132,784,429,196.03
  5. Step 5: Solve for x
    x = 132,784,429,196.03/523,997.48
  6. Step 6: Final answer
    x = 253,406.62

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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.