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Finding the Fourth Proportional to 702,540, 969,240.60 and 460,955.88

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Solution

The fourth proportional to 702,540, 969,240.60 and 460,955.88 is: 635,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,540 : 969,240.60 = 460,955.88 : x
  2. Step 2: Convert to fraction form
    702,540/969,240.60 = 460,955.88/x
  3. Step 3: Cross multiply
    702,540x = 969,240.60 × 460,955.88
  4. Step 4: Simplify right side
    702,540x = 446,777,153,704.73
  5. Step 5: Solve for x
    x = 446,777,153,704.73/702,540
  6. Step 6: Final answer
    x = 635,945.50

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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.