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Finding the Fourth Proportional to 549,144.46, 824,298.98 and 486,372.09

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Solution

The fourth proportional to 549,144.46, 824,298.98 and 486,372.09 is: 730,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,144.46 : 824,298.98 = 486,372.09 : x
  2. Step 2: Convert to fraction form
    549,144.46/824,298.98 = 486,372.09/x
  3. Step 3: Cross multiply
    549,144.46x = 824,298.98 × 486,372.09
  4. Step 4: Simplify right side
    549,144.46x = 400,916,021,082.57
  5. Step 5: Solve for x
    x = 400,916,021,082.57/549,144.46
  6. Step 6: Final answer
    x = 730,073.87

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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.