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Finding the Fourth Proportional to 435,230.40, 652,845.60 and 248,260.80

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Solution

The fourth proportional to 435,230.40, 652,845.60 and 248,260.80 is: 372,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,230.40 : 652,845.60 = 248,260.80 : x
  2. Step 2: Convert to fraction form
    435,230.40/652,845.60 = 248,260.80/x
  3. Step 3: Cross multiply
    435,230.40x = 652,845.60 × 248,260.80
  4. Step 4: Simplify right side
    435,230.40x = 162,075,970,932.48
  5. Step 5: Solve for x
    x = 162,075,970,932.48/435,230.40
  6. Step 6: Final answer
    x = 372,391.20

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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.