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Finding the Fourth Proportional to 944,807.38, 1,416,920.38 and 270,708.06

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Solution

The fourth proportional to 944,807.38, 1,416,920.38 and 270,708.06 is: 405,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,807.38 : 1,416,920.38 = 270,708.06 : x
  2. Step 2: Convert to fraction form
    944,807.38/1,416,920.38 = 270,708.06/x
  3. Step 3: Cross multiply
    944,807.38x = 1,416,920.38 × 270,708.06
  4. Step 4: Simplify right side
    944,807.38x = 383,571,771,880.94
  5. Step 5: Solve for x
    x = 383,571,771,880.94/944,807.38
  6. Step 6: Final answer
    x = 405,978.81

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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.