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Finding the Fourth Proportional to 303,191.99, 418,443.62 and 252,116.84

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Solution

The fourth proportional to 303,191.99, 418,443.62 and 252,116.84 is: 347,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,191.99 : 418,443.62 = 252,116.84 : x
  2. Step 2: Convert to fraction form
    303,191.99/418,443.62 = 252,116.84/x
  3. Step 3: Cross multiply
    303,191.99x = 418,443.62 × 252,116.84
  4. Step 4: Simplify right side
    303,191.99x = 105,496,679,839.76
  5. Step 5: Solve for x
    x = 105,496,679,839.76/303,191.99
  6. Step 6: Final answer
    x = 347,953.38

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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.