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Finding the Fourth Proportional to 608,770.28, 840,086.82 and 336,831.08

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Solution

The fourth proportional to 608,770.28, 840,086.82 and 336,831.08 is: 464,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,770.28 : 840,086.82 = 336,831.08 : x
  2. Step 2: Convert to fraction form
    608,770.28/840,086.82 = 336,831.08/x
  3. Step 3: Cross multiply
    608,770.28x = 840,086.82 × 336,831.08
  4. Step 4: Simplify right side
    608,770.28x = 282,967,350,874.37
  5. Step 5: Solve for x
    x = 282,967,350,874.37/608,770.28
  6. Step 6: Final answer
    x = 464,817.95

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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.