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Finding the Fourth Proportional to 431,584.49, 595,469.74 and 245,313.35

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Solution

The fourth proportional to 431,584.49, 595,469.74 and 245,313.35 is: 338,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,584.49 : 595,469.74 = 245,313.35 : x
  2. Step 2: Convert to fraction form
    431,584.49/595,469.74 = 245,313.35/x
  3. Step 3: Cross multiply
    431,584.49x = 595,469.74 × 245,313.35
  4. Step 4: Simplify right side
    431,584.49x = 146,076,676,743.03
  5. Step 5: Solve for x
    x = 146,076,676,743.03/431,584.49
  6. Step 6: Final answer
    x = 338,466.00

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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.