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Finding the Fourth Proportional to 646,724.70, 970,524.45 and 362,414.70

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Solution

The fourth proportional to 646,724.70, 970,524.45 and 362,414.70 is: 543,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,724.70 : 970,524.45 = 362,414.70 : x
  2. Step 2: Convert to fraction form
    646,724.70/970,524.45 = 362,414.70/x
  3. Step 3: Cross multiply
    646,724.70x = 970,524.45 × 362,414.70
  4. Step 4: Simplify right side
    646,724.70x = 351,732,327,389.42
  5. Step 5: Solve for x
    x = 351,732,327,389.42/646,724.70
  6. Step 6: Final answer
    x = 543,867.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.