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Finding the Fourth Proportional to 674,861.44, 931,272.24 and 373,036

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Solution

The fourth proportional to 674,861.44, 931,272.24 and 373,036 is: 514,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,861.44 : 931,272.24 = 373,036 : x
  2. Step 2: Convert to fraction form
    674,861.44/931,272.24 = 373,036/x
  3. Step 3: Cross multiply
    674,861.44x = 931,272.24 × 373,036
  4. Step 4: Simplify right side
    674,861.44x = 347,398,071,320.64
  5. Step 5: Solve for x
    x = 347,398,071,320.64/674,861.44
  6. Step 6: Final answer
    x = 514,769.48

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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.