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Finding the Fourth Proportional to 362,555, 500,385.82 and 302,029.76

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Solution

The fourth proportional to 362,555, 500,385.82 and 302,029.76 is: 416,850.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,555 : 500,385.82 = 302,029.76 : x
  2. Step 2: Convert to fraction form
    362,555/500,385.82 = 302,029.76/x
  3. Step 3: Cross multiply
    362,555x = 500,385.82 × 302,029.76
  4. Step 4: Simplify right side
    362,555x = 151,131,409,122.00
  5. Step 5: Solve for x
    x = 151,131,409,122.00/362,555
  6. Step 6: Final answer
    x = 416,850.99

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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.