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Finding the Fourth Proportional to 549,676.70, 824,625.05 and 189,860.70

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Solution

The fourth proportional to 549,676.70, 824,625.05 and 189,860.70 is: 284,829.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,676.70 : 824,625.05 = 189,860.70 : x
  2. Step 2: Convert to fraction form
    549,676.70/824,625.05 = 189,860.70/x
  3. Step 3: Cross multiply
    549,676.70x = 824,625.05 × 189,860.70
  4. Step 4: Simplify right side
    549,676.70x = 156,563,889,093.28
  5. Step 5: Solve for x
    x = 156,563,889,093.28/549,676.70
  6. Step 6: Final answer
    x = 284,829.04

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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.