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Finding the Fourth Proportional to 549,810.40, 824,600.40 and 269,528.80

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Solution

The fourth proportional to 549,810.40, 824,600.40 and 269,528.80 is: 404,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,810.40 : 824,600.40 = 269,528.80 : x
  2. Step 2: Convert to fraction form
    549,810.40/824,600.40 = 269,528.80/x
  3. Step 3: Cross multiply
    549,810.40x = 824,600.40 × 269,528.80
  4. Step 4: Simplify right side
    549,810.40x = 222,253,556,291.52
  5. Step 5: Solve for x
    x = 222,253,556,291.52/549,810.40
  6. Step 6: Final answer
    x = 404,236.73

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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.