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Finding the Fourth Proportional to 431,748.90, 595,800.36 and 240,794.64

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Solution

The fourth proportional to 431,748.90, 595,800.36 and 240,794.64 is: 332,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,748.90 : 595,800.36 = 240,794.64 : x
  2. Step 2: Convert to fraction form
    431,748.90/595,800.36 = 240,794.64/x
  3. Step 3: Cross multiply
    431,748.90x = 595,800.36 × 240,794.64
  4. Step 4: Simplify right side
    431,748.90x = 143,465,533,198.07
  5. Step 5: Solve for x
    x = 143,465,533,198.07/431,748.90
  6. Step 6: Final answer
    x = 332,289.28

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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.