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Finding the Fourth Proportional to 529,425.72, 794,149.92 and 155,448.72

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Solution

The fourth proportional to 529,425.72, 794,149.92 and 155,448.72 is: 233,176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,425.72 : 794,149.92 = 155,448.72 : x
  2. Step 2: Convert to fraction form
    529,425.72/794,149.92 = 155,448.72/x
  3. Step 3: Cross multiply
    529,425.72x = 794,149.92 × 155,448.72
  4. Step 4: Simplify right side
    529,425.72x = 123,449,588,552.10
  5. Step 5: Solve for x
    x = 123,449,588,552.10/529,425.72
  6. Step 6: Final answer
    x = 233,176.41

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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.