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Finding the Fourth Proportional to 608,878.17, 840,234.74 and 336,957.39

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Solution

The fourth proportional to 608,878.17, 840,234.74 and 336,957.39 is: 464,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,878.17 : 840,234.74 = 336,957.39 : x
  2. Step 2: Convert to fraction form
    608,878.17/840,234.74 = 336,957.39/x
  3. Step 3: Cross multiply
    608,878.17x = 840,234.74 × 336,957.39
  4. Step 4: Simplify right side
    608,878.17x = 283,123,303,292.94
  5. Step 5: Solve for x
    x = 283,123,303,292.94/608,878.17
  6. Step 6: Final answer
    x = 464,991.71

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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.