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Finding the Fourth Proportional to 549,636.12, 824,532.42 and 170,589.60

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Solution

The fourth proportional to 549,636.12, 824,532.42 and 170,589.60 is: 255,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,636.12 : 824,532.42 = 170,589.60 : x
  2. Step 2: Convert to fraction form
    549,636.12/824,532.42 = 170,589.60/x
  3. Step 3: Cross multiply
    549,636.12x = 824,532.42 × 170,589.60
  4. Step 4: Simplify right side
    549,636.12x = 140,656,655,714.83
  5. Step 5: Solve for x
    x = 140,656,655,714.83/549,636.12
  6. Step 6: Final answer
    x = 255,908.68

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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.