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Finding the Fourth Proportional to 262,080.40, 393,120.60 and 241,805.20

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Solution

The fourth proportional to 262,080.40, 393,120.60 and 241,805.20 is: 362,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,080.40 : 393,120.60 = 241,805.20 : x
  2. Step 2: Convert to fraction form
    262,080.40/393,120.60 = 241,805.20/x
  3. Step 3: Cross multiply
    262,080.40x = 393,120.60 × 241,805.20
  4. Step 4: Simplify right side
    262,080.40x = 95,058,605,307.12
  5. Step 5: Solve for x
    x = 95,058,605,307.12/262,080.40
  6. Step 6: Final answer
    x = 362,707.80

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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.