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Finding the Fourth Proportional to 536,948.80, 804,501.60 and 255,860.80

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Solution

The fourth proportional to 536,948.80, 804,501.60 and 255,860.80 is: 383,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,948.80 : 804,501.60 = 255,860.80 : x
  2. Step 2: Convert to fraction form
    536,948.80/804,501.60 = 255,860.80/x
  3. Step 3: Cross multiply
    536,948.80x = 804,501.60 × 255,860.80
  4. Step 4: Simplify right side
    536,948.80x = 205,840,422,977.28
  5. Step 5: Solve for x
    x = 205,840,422,977.28/536,948.80
  6. Step 6: Final answer
    x = 383,352.05

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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.