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Finding the Fourth Proportional to 493,699.24, 740,395.72 and 178,115.12

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Solution

The fourth proportional to 493,699.24, 740,395.72 and 178,115.12 is: 267,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,699.24 : 740,395.72 = 178,115.12 : x
  2. Step 2: Convert to fraction form
    493,699.24/740,395.72 = 178,115.12/x
  3. Step 3: Cross multiply
    493,699.24x = 740,395.72 × 178,115.12
  4. Step 4: Simplify right side
    493,699.24x = 131,875,672,515.29
  5. Step 5: Solve for x
    x = 131,875,672,515.29/493,699.24
  6. Step 6: Final answer
    x = 267,117.43

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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.