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Finding the Fourth Proportional to 600,134.48, 827,526.12 and 385,193.36

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Solution

The fourth proportional to 600,134.48, 827,526.12 and 385,193.36 is: 531,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,134.48 : 827,526.12 = 385,193.36 : x
  2. Step 2: Convert to fraction form
    600,134.48/827,526.12 = 385,193.36/x
  3. Step 3: Cross multiply
    600,134.48x = 827,526.12 × 385,193.36
  4. Step 4: Simplify right side
    600,134.48x = 318,757,566,650.56
  5. Step 5: Solve for x
    x = 318,757,566,650.56/600,134.48
  6. Step 6: Final answer
    x = 531,143.56

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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.