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Finding the Fourth Proportional to 460,092.40, 688,583.40 and 404,105.20

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Solution

The fourth proportional to 460,092.40, 688,583.40 and 404,105.20 is: 604,791.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,092.40 : 688,583.40 = 404,105.20 : x
  2. Step 2: Convert to fraction form
    460,092.40/688,583.40 = 404,105.20/x
  3. Step 3: Cross multiply
    460,092.40x = 688,583.40 × 404,105.20
  4. Step 4: Simplify right side
    460,092.40x = 278,260,132,573.68
  5. Step 5: Solve for x
    x = 278,260,132,573.68/460,092.40
  6. Step 6: Final answer
    x = 604,791.85

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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.