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Finding the Fourth Proportional to 517,489.70, 775,972.04 and 236,766.38

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Solution

The fourth proportional to 517,489.70, 775,972.04 and 236,766.38 is: 355,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,489.70 : 775,972.04 = 236,766.38 : x
  2. Step 2: Convert to fraction form
    517,489.70/775,972.04 = 236,766.38/x
  3. Step 3: Cross multiply
    517,489.70x = 775,972.04 × 236,766.38
  4. Step 4: Simplify right side
    517,489.70x = 183,724,085,828.32
  5. Step 5: Solve for x
    x = 183,724,085,828.32/517,489.70
  6. Step 6: Final answer
    x = 355,029.46

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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.