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Finding the Fourth Proportional to 549,717.60, 824,576.40 and 269,781.60

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Solution

The fourth proportional to 549,717.60, 824,576.40 and 269,781.60 is: 404,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,717.60 : 824,576.40 = 269,781.60 : x
  2. Step 2: Convert to fraction form
    549,717.60/824,576.40 = 269,781.60/x
  3. Step 3: Cross multiply
    549,717.60x = 824,576.40 × 269,781.60
  4. Step 4: Simplify right side
    549,717.60x = 222,455,540,514.24
  5. Step 5: Solve for x
    x = 222,455,540,514.24/549,717.60
  6. Step 6: Final answer
    x = 404,672.40

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Similar ratio
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1.5x scale

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.