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Finding the Fourth Proportional to 549,638.62, 824,536.18 and 170,592.10

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Solution

The fourth proportional to 549,638.62, 824,536.18 and 170,592.10 is: 255,912.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,638.62 : 824,536.18 = 170,592.10 : x
  2. Step 2: Convert to fraction form
    549,638.62/824,536.18 = 170,592.10/x
  3. Step 3: Cross multiply
    549,638.62x = 824,536.18 × 170,592.10
  4. Step 4: Simplify right side
    549,638.62x = 140,659,358,472.18
  5. Step 5: Solve for x
    x = 140,659,358,472.18/549,638.62
  6. Step 6: Final answer
    x = 255,912.44

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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.