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Finding the Fourth Proportional to 546,935.40, 820,863.90 and 266,692.20

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Solution

The fourth proportional to 546,935.40, 820,863.90 and 266,692.20 is: 400,262.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,935.40 : 820,863.90 = 266,692.20 : x
  2. Step 2: Convert to fraction form
    546,935.40/820,863.90 = 266,692.20/x
  3. Step 3: Cross multiply
    546,935.40x = 820,863.90 × 266,692.20
  4. Step 4: Simplify right side
    546,935.40x = 218,917,999,391.58
  5. Step 5: Solve for x
    x = 218,917,999,391.58/546,935.40
  6. Step 6: Final answer
    x = 400,262.99

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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.