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Finding the Fourth Proportional to 483,612.73, 724,731.65 and 356,251.42

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Solution

The fourth proportional to 483,612.73, 724,731.65 and 356,251.42 is: 533,870.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,612.73 : 724,731.65 = 356,251.42 : x
  2. Step 2: Convert to fraction form
    483,612.73/724,731.65 = 356,251.42/x
  3. Step 3: Cross multiply
    483,612.73x = 724,731.65 × 356,251.42
  4. Step 4: Simplify right side
    483,612.73x = 258,186,679,431.44
  5. Step 5: Solve for x
    x = 258,186,679,431.44/483,612.73
  6. Step 6: Final answer
    x = 533,870.73

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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.