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Finding the Fourth Proportional to 488,570.10, 732,830.85 and 251,936.70

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Solution

The fourth proportional to 488,570.10, 732,830.85 and 251,936.70 is: 377,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,570.10 : 732,830.85 = 251,936.70 : x
  2. Step 2: Convert to fraction form
    488,570.10/732,830.85 = 251,936.70/x
  3. Step 3: Cross multiply
    488,570.10x = 732,830.85 × 251,936.70
  4. Step 4: Simplify right side
    488,570.10x = 184,626,986,007.20
  5. Step 5: Solve for x
    x = 184,626,986,007.20/488,570.10
  6. Step 6: Final answer
    x = 377,892.52

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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.