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Finding the Fourth Proportional to 671,857.76, 927,163.52 and 370,051.76

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Solution

The fourth proportional to 671,857.76, 927,163.52 and 370,051.76 is: 510,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,857.76 : 927,163.52 = 370,051.76 : x
  2. Step 2: Convert to fraction form
    671,857.76/927,163.52 = 370,051.76/x
  3. Step 3: Cross multiply
    671,857.76x = 927,163.52 × 370,051.76
  4. Step 4: Simplify right side
    671,857.76x = 343,098,492,383.80
  5. Step 5: Solve for x
    x = 343,098,492,383.80/671,857.76
  6. Step 6: Final answer
    x = 510,671.32

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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.