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Finding the Fourth Proportional to 828,854.44, 1,143,817.44 and 466,278.56

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Solution

The fourth proportional to 828,854.44, 1,143,817.44 and 466,278.56 is: 643,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,854.44 : 1,143,817.44 = 466,278.56 : x
  2. Step 2: Convert to fraction form
    828,854.44/1,143,817.44 = 466,278.56/x
  3. Step 3: Cross multiply
    828,854.44x = 1,143,817.44 × 466,278.56
  4. Step 4: Simplify right side
    828,854.44x = 533,337,548,826.09
  5. Step 5: Solve for x
    x = 533,337,548,826.09/828,854.44
  6. Step 6: Final answer
    x = 643,463.46

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Double scale
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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.