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Finding the Fourth Proportional to 369,579.33, 510,020.64 and 199,814.67

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Solution

The fourth proportional to 369,579.33, 510,020.64 and 199,814.67 is: 275,744.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,579.33 : 510,020.64 = 199,814.67 : x
  2. Step 2: Convert to fraction form
    369,579.33/510,020.64 = 199,814.67/x
  3. Step 3: Cross multiply
    369,579.33x = 510,020.64 × 199,814.67
  4. Step 4: Simplify right side
    369,579.33x = 101,909,605,874.79
  5. Step 5: Solve for x
    x = 101,909,605,874.79/369,579.33
  6. Step 6: Final answer
    x = 275,744.87

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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.