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Finding the Fourth Proportional to 546,822.80, 820,234.20 and 306,690.20

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Solution

The fourth proportional to 546,822.80, 820,234.20 and 306,690.20 is: 460,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,822.80 : 820,234.20 = 306,690.20 : x
  2. Step 2: Convert to fraction form
    546,822.80/820,234.20 = 306,690.20/x
  3. Step 3: Cross multiply
    546,822.80x = 820,234.20 × 306,690.20
  4. Step 4: Simplify right side
    546,822.80x = 251,557,790,844.84
  5. Step 5: Solve for x
    x = 251,557,790,844.84/546,822.80
  6. Step 6: Final answer
    x = 460,035.30

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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.