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Finding the Fourth Proportional to 549,489.96, 824,516.42 and 261,627.37

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Solution

The fourth proportional to 549,489.96, 824,516.42 and 261,627.37 is: 392,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,489.96 : 824,516.42 = 261,627.37 : x
  2. Step 2: Convert to fraction form
    549,489.96/824,516.42 = 261,627.37/x
  3. Step 3: Cross multiply
    549,489.96x = 824,516.42 × 261,627.37
  4. Step 4: Simplify right side
    549,489.96x = 215,716,059,116.99
  5. Step 5: Solve for x
    x = 215,716,059,116.99/549,489.96
  6. Step 6: Final answer
    x = 392,575.07

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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.