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Finding the Fourth Proportional to 576,935.84, 800,244.92 and 561,591.20

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Solution

The fourth proportional to 576,935.84, 800,244.92 and 561,591.20 is: 778,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,935.84 : 800,244.92 = 561,591.20 : x
  2. Step 2: Convert to fraction form
    576,935.84/800,244.92 = 561,591.20/x
  3. Step 3: Cross multiply
    576,935.84x = 800,244.92 × 561,591.20
  4. Step 4: Simplify right side
    576,935.84x = 449,410,504,916.70
  5. Step 5: Solve for x
    x = 449,410,504,916.70/576,935.84
  6. Step 6: Final answer
    x = 778,960.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.