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Finding the Fourth Proportional to 493,801.05, 740,696.10 and 156,832.68

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Solution

The fourth proportional to 493,801.05, 740,696.10 and 156,832.68 is: 235,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,801.05 : 740,696.10 = 156,832.68 : x
  2. Step 2: Convert to fraction form
    493,801.05/740,696.10 = 156,832.68/x
  3. Step 3: Cross multiply
    493,801.05x = 740,696.10 × 156,832.68
  4. Step 4: Simplify right side
    493,801.05x = 116,165,350,725.07
  5. Step 5: Solve for x
    x = 116,165,350,725.07/493,801.05
  6. Step 6: Final answer
    x = 235,247.28

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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.