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Finding the Fourth Proportional to 360,814.58, 497,911.87 and 199,676.42

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Solution

The fourth proportional to 360,814.58, 497,911.87 and 199,676.42 is: 275,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,814.58 : 497,911.87 = 199,676.42 : x
  2. Step 2: Convert to fraction form
    360,814.58/497,911.87 = 199,676.42/x
  3. Step 3: Cross multiply
    360,814.58x = 497,911.87 × 199,676.42
  4. Step 4: Simplify right side
    360,814.58x = 99,421,259,677.11
  5. Step 5: Solve for x
    x = 99,421,259,677.11/360,814.58
  6. Step 6: Final answer
    x = 275,546.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.