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Finding the Fourth Proportional to 536,970.80, 804,534.60 and 255,882.80

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Solution

The fourth proportional to 536,970.80, 804,534.60 and 255,882.80 is: 383,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,970.80 : 804,534.60 = 255,882.80 : x
  2. Step 2: Convert to fraction form
    536,970.80/804,534.60 = 255,882.80/x
  3. Step 3: Cross multiply
    536,970.80x = 804,534.60 × 255,882.80
  4. Step 4: Simplify right side
    536,970.80x = 205,866,566,144.88
  5. Step 5: Solve for x
    x = 205,866,566,144.88/536,970.80
  6. Step 6: Final answer
    x = 383,385.03

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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.