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Finding the Fourth Proportional to 674,924, 931,414.56 and 373,137.44

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Solution

The fourth proportional to 674,924, 931,414.56 and 373,137.44 is: 514,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,924 : 931,414.56 = 373,137.44 : x
  2. Step 2: Convert to fraction form
    674,924/931,414.56 = 373,137.44/x
  3. Step 3: Cross multiply
    674,924x = 931,414.56 × 373,137.44
  4. Step 4: Simplify right side
    674,924x = 347,545,644,497.13
  5. Step 5: Solve for x
    x = 347,545,644,497.13/674,924
  6. Step 6: Final answer
    x = 514,940.41

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1.5x scale

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.