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Finding the Fourth Proportional to 674,814, 931,244.94 and 373,008

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Solution

The fourth proportional to 674,814, 931,244.94 and 373,008 is: 514,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,814 : 931,244.94 = 373,008 : x
  2. Step 2: Convert to fraction form
    674,814/931,244.94 = 373,008/x
  3. Step 3: Cross multiply
    674,814x = 931,244.94 × 373,008
  4. Step 4: Simplify right side
    674,814x = 347,361,812,579.52
  5. Step 5: Solve for x
    x = 347,361,812,579.52/674,814
  6. Step 6: Final answer
    x = 514,751.94

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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.