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Finding the Fourth Proportional to 549,530.49, 824,414.21 and 170,443.71

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Solution

The fourth proportional to 549,530.49, 824,414.21 and 170,443.71 is: 255,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,530.49 : 824,414.21 = 170,443.71 : x
  2. Step 2: Convert to fraction form
    549,530.49/824,414.21 = 170,443.71/x
  3. Step 3: Cross multiply
    549,530.49x = 824,414.21 × 170,443.71
  4. Step 4: Simplify right side
    549,530.49x = 140,516,215,676.90
  5. Step 5: Solve for x
    x = 140,516,215,676.90/549,530.49
  6. Step 6: Final answer
    x = 255,702.31

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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.