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Finding the Fourth Proportional to 674,418.33, 929,616.30 and 456,558.30

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Solution

The fourth proportional to 674,418.33, 929,616.30 and 456,558.30 is: 629,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,418.33 : 929,616.30 = 456,558.30 : x
  2. Step 2: Convert to fraction form
    674,418.33/929,616.30 = 456,558.30/x
  3. Step 3: Cross multiply
    674,418.33x = 929,616.30 × 456,558.30
  4. Step 4: Simplify right side
    674,418.33x = 424,424,037,580.29
  5. Step 5: Solve for x
    x = 424,424,037,580.29/674,418.33
  6. Step 6: Final answer
    x = 629,318.66

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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.