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Finding the Fourth Proportional to 605,617.65, 908,555.64 and 302,174.97

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Solution

The fourth proportional to 605,617.65, 908,555.64 and 302,174.97 is: 453,326.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,617.65 : 908,555.64 = 302,174.97 : x
  2. Step 2: Convert to fraction form
    605,617.65/908,555.64 = 302,174.97/x
  3. Step 3: Cross multiply
    605,617.65x = 908,555.64 × 302,174.97
  4. Step 4: Simplify right side
    605,617.65x = 274,542,773,260.33
  5. Step 5: Solve for x
    x = 274,542,773,260.33/605,617.65
  6. Step 6: Final answer
    x = 453,326.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.