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Finding the Fourth Proportional to 549,247.80, 822,950.10 and 268,159.80

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Solution

The fourth proportional to 549,247.80, 822,950.10 and 268,159.80 is: 401,789.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,247.80 : 822,950.10 = 268,159.80 : x
  2. Step 2: Convert to fraction form
    549,247.80/822,950.10 = 268,159.80/x
  3. Step 3: Cross multiply
    549,247.80x = 822,950.10 × 268,159.80
  4. Step 4: Simplify right side
    549,247.80x = 220,682,134,225.98
  5. Step 5: Solve for x
    x = 220,682,134,225.98/549,247.80
  6. Step 6: Final answer
    x = 401,789.75

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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.