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Finding the Fourth Proportional to 471,808.45, 651,091.13 and 256,952.11

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Solution

The fourth proportional to 471,808.45, 651,091.13 and 256,952.11 is: 354,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,808.45 : 651,091.13 = 256,952.11 : x
  2. Step 2: Convert to fraction form
    471,808.45/651,091.13 = 256,952.11/x
  3. Step 3: Cross multiply
    471,808.45x = 651,091.13 × 256,952.11
  4. Step 4: Simplify right side
    471,808.45x = 167,299,239,655.78
  5. Step 5: Solve for x
    x = 167,299,239,655.78/471,808.45
  6. Step 6: Final answer
    x = 354,591.44

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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.