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Finding the Fourth Proportional to 608,874.54, 840,226.20 and 336,953.90

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Solution

The fourth proportional to 608,874.54, 840,226.20 and 336,953.90 is: 464,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,874.54 : 840,226.20 = 336,953.90 : x
  2. Step 2: Convert to fraction form
    608,874.54/840,226.20 = 336,953.90/x
  3. Step 3: Cross multiply
    608,874.54x = 840,226.20 × 336,953.90
  4. Step 4: Simplify right side
    608,874.54x = 283,117,494,972.18
  5. Step 5: Solve for x
    x = 283,117,494,972.18/608,874.54
  6. Step 6: Final answer
    x = 464,984.95

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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.