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Finding the Fourth Proportional to 471,699.88, 650,937.40 and 256,836.04

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Solution

The fourth proportional to 471,699.88, 650,937.40 and 256,836.04 is: 354,429.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,699.88 : 650,937.40 = 256,836.04 : x
  2. Step 2: Convert to fraction form
    471,699.88/650,937.40 = 256,836.04/x
  3. Step 3: Cross multiply
    471,699.88x = 650,937.40 × 256,836.04
  4. Step 4: Simplify right side
    471,699.88x = 167,184,184,103.90
  5. Step 5: Solve for x
    x = 167,184,184,103.90/471,699.88
  6. Step 6: Final answer
    x = 354,429.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.