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Finding the Fourth Proportional to 608,754.43, 840,105.90 and 336,817.92

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Solution

The fourth proportional to 608,754.43, 840,105.90 and 336,817.92 is: 464,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,754.43 : 840,105.90 = 336,817.92 : x
  2. Step 2: Convert to fraction form
    608,754.43/840,105.90 = 336,817.92/x
  3. Step 3: Cross multiply
    608,754.43x = 840,105.90 × 336,817.92
  4. Step 4: Simplify right side
    608,754.43x = 282,962,721,817.73
  5. Step 5: Solve for x
    x = 282,962,721,817.73/608,754.43
  6. Step 6: Final answer
    x = 464,822.45

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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.