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Finding the Fourth Proportional to 493,403.04, 740,174.40 and 151,874.64

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Solution

The fourth proportional to 493,403.04, 740,174.40 and 151,874.64 is: 227,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,403.04 : 740,174.40 = 151,874.64 : x
  2. Step 2: Convert to fraction form
    493,403.04/740,174.40 = 151,874.64/x
  3. Step 3: Cross multiply
    493,403.04x = 740,174.40 × 151,874.64
  4. Step 4: Simplify right side
    493,403.04x = 112,413,720,537.22
  5. Step 5: Solve for x
    x = 112,413,720,537.22/493,403.04
  6. Step 6: Final answer
    x = 227,833.46

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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.