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Finding the Fourth Proportional to 674,857.44, 931,266.72 and 373,032

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Solution

The fourth proportional to 674,857.44, 931,266.72 and 373,032 is: 514,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,857.44 : 931,266.72 = 373,032 : x
  2. Step 2: Convert to fraction form
    674,857.44/931,266.72 = 373,032/x
  3. Step 3: Cross multiply
    674,857.44x = 931,266.72 × 373,032
  4. Step 4: Simplify right side
    674,857.44x = 347,392,287,095.04
  5. Step 5: Solve for x
    x = 347,392,287,095.04/674,857.44
  6. Step 6: Final answer
    x = 514,763.96

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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.