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Finding the Fourth Proportional to 360,814.83, 497,912.20 and 199,676.67

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Solution

The fourth proportional to 360,814.83, 497,912.20 and 199,676.67 is: 275,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,814.83 : 497,912.20 = 199,676.67 : x
  2. Step 2: Convert to fraction form
    360,814.83/497,912.20 = 199,676.67/x
  3. Step 3: Cross multiply
    360,814.83x = 497,912.20 × 199,676.67
  4. Step 4: Simplify right side
    360,814.83x = 99,421,450,048.37
  5. Step 5: Solve for x
    x = 99,421,450,048.37/360,814.83
  6. Step 6: Final answer
    x = 275,547.02

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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.