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Finding the Fourth Proportional to 303,551.79, 418,899.09 and 167,585.59

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Solution

The fourth proportional to 303,551.79, 418,899.09 and 167,585.59 is: 231,266.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,551.79 : 418,899.09 = 167,585.59 : x
  2. Step 2: Convert to fraction form
    303,551.79/418,899.09 = 167,585.59/x
  3. Step 3: Cross multiply
    303,551.79x = 418,899.09 × 167,585.59
  4. Step 4: Simplify right side
    303,551.79x = 70,201,451,148.11
  5. Step 5: Solve for x
    x = 70,201,451,148.11/303,551.79
  6. Step 6: Final answer
    x = 231,266.80

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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.