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Finding the Fourth Proportional to 944,571.90, 1,416,857.85 and 907,830.30

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Solution

The fourth proportional to 944,571.90, 1,416,857.85 and 907,830.30 is: 1,361,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,571.90 : 1,416,857.85 = 907,830.30 : x
  2. Step 2: Convert to fraction form
    944,571.90/1,416,857.85 = 907,830.30/x
  3. Step 3: Cross multiply
    944,571.90x = 1,416,857.85 × 907,830.30
  4. Step 4: Simplify right side
    944,571.90x = 1,286,266,487,022.86
  5. Step 5: Solve for x
    x = 1,286,266,487,022.86/944,571.90
  6. Step 6: Final answer
    x = 1,361,745.45

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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.