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Finding the Fourth Proportional to 608,908.53, 840,280.50 and 333,265.05

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Solution

The fourth proportional to 608,908.53, 840,280.50 and 333,265.05 is: 459,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,908.53 : 840,280.50 = 333,265.05 : x
  2. Step 2: Convert to fraction form
    608,908.53/840,280.50 = 333,265.05/x
  3. Step 3: Cross multiply
    608,908.53x = 840,280.50 × 333,265.05
  4. Step 4: Simplify right side
    608,908.53x = 280,036,122,846.53
  5. Step 5: Solve for x
    x = 280,036,122,846.53/608,908.53
  6. Step 6: Final answer
    x = 459,898.51

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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.