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Finding the Fourth Proportional to 671,908.66, 927,234 and 370,102.66

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Solution

The fourth proportional to 671,908.66, 927,234 and 370,102.66 is: 510,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,908.66 : 927,234 = 370,102.66 : x
  2. Step 2: Convert to fraction form
    671,908.66/927,234 = 370,102.66/x
  3. Step 3: Cross multiply
    671,908.66x = 927,234 × 370,102.66
  4. Step 4: Simplify right side
    671,908.66x = 343,171,769,842.44
  5. Step 5: Solve for x
    x = 343,171,769,842.44/671,908.66
  6. Step 6: Final answer
    x = 510,741.70

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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.