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Finding the Fourth Proportional to 549,684.63, 824,635.91 and 170,589.17

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Solution

The fourth proportional to 549,684.63, 824,635.91 and 170,589.17 is: 255,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,684.63 : 824,635.91 = 170,589.17 : x
  2. Step 2: Convert to fraction form
    549,684.63/824,635.91 = 170,589.17/x
  3. Step 3: Cross multiply
    549,684.63x = 824,635.91 × 170,589.17
  4. Step 4: Simplify right side
    549,684.63x = 140,673,956,967.59
  5. Step 5: Solve for x
    x = 140,673,956,967.59/549,684.63
  6. Step 6: Final answer
    x = 255,917.57

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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.