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Finding the Fourth Proportional to 326,499.16, 450,553.70 and 181,314.16

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Solution

The fourth proportional to 326,499.16, 450,553.70 and 181,314.16 is: 250,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,499.16 : 450,553.70 = 181,314.16 : x
  2. Step 2: Convert to fraction form
    326,499.16/450,553.70 = 181,314.16/x
  3. Step 3: Cross multiply
    326,499.16x = 450,553.70 × 181,314.16
  4. Step 4: Simplify right side
    326,499.16x = 81,691,766,945.40
  5. Step 5: Solve for x
    x = 81,691,766,945.40/326,499.16
  6. Step 6: Final answer
    x = 250,205.13

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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.