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Finding the Fourth Proportional to 966,447.73, 1,449,559 and 256,530.93

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Solution

The fourth proportional to 966,447.73, 1,449,559 and 256,530.93 is: 384,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,447.73 : 1,449,559 = 256,530.93 : x
  2. Step 2: Convert to fraction form
    966,447.73/1,449,559 = 256,530.93/x
  3. Step 3: Cross multiply
    966,447.73x = 1,449,559 × 256,530.93
  4. Step 4: Simplify right side
    966,447.73x = 371,856,718,359.87
  5. Step 5: Solve for x
    x = 371,856,718,359.87/966,447.73
  6. Step 6: Final answer
    x = 384,766.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.