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Finding the Fourth Proportional to 427,416.89, 641,126.08 and 174,697.16

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Solution

The fourth proportional to 427,416.89, 641,126.08 and 174,697.16 is: 262,046.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,416.89 : 641,126.08 = 174,697.16 : x
  2. Step 2: Convert to fraction form
    427,416.89/641,126.08 = 174,697.16/x
  3. Step 3: Cross multiply
    427,416.89x = 641,126.08 × 174,697.16
  4. Step 4: Simplify right side
    427,416.89x = 112,002,901,899.34
  5. Step 5: Solve for x
    x = 112,002,901,899.34/427,416.89
  6. Step 6: Final answer
    x = 262,046.04

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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.