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Finding the Fourth Proportional to 552,374.92, 762,382.02 and 345,739.13

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Solution

The fourth proportional to 552,374.92, 762,382.02 and 345,739.13 is: 477,185.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,374.92 : 762,382.02 = 345,739.13 : x
  2. Step 2: Convert to fraction form
    552,374.92/762,382.02 = 345,739.13/x
  3. Step 3: Cross multiply
    552,374.92x = 762,382.02 × 345,739.13
  4. Step 4: Simplify right side
    552,374.92x = 263,585,296,665.99
  5. Step 5: Solve for x
    x = 263,585,296,665.99/552,374.92
  6. Step 6: Final answer
    x = 477,185.49

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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.