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Finding the Fourth Proportional to 471,926.94, 651,255.84 and 257,066.34

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Solution

The fourth proportional to 471,926.94, 651,255.84 and 257,066.34 is: 354,749.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,926.94 : 651,255.84 = 257,066.34 : x
  2. Step 2: Convert to fraction form
    471,926.94/651,255.84 = 257,066.34/x
  3. Step 3: Cross multiply
    471,926.94x = 651,255.84 × 257,066.34
  4. Step 4: Simplify right side
    471,926.94x = 167,415,955,192.43
  5. Step 5: Solve for x
    x = 167,415,955,192.43/471,926.94
  6. Step 6: Final answer
    x = 354,749.73

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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.