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Finding the Fourth Proportional to 361,271.60, 541,907.40 and 227,718.80

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Solution

The fourth proportional to 361,271.60, 541,907.40 and 227,718.80 is: 341,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,271.60 : 541,907.40 = 227,718.80 : x
  2. Step 2: Convert to fraction form
    361,271.60/541,907.40 = 227,718.80/x
  3. Step 3: Cross multiply
    361,271.60x = 541,907.40 × 227,718.80
  4. Step 4: Simplify right side
    361,271.60x = 123,402,502,839.12
  5. Step 5: Solve for x
    x = 123,402,502,839.12/361,271.60
  6. Step 6: Final answer
    x = 341,578.20

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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.