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Finding the Fourth Proportional to 326,677.80, 450,783.99 and 183,405

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Solution

The fourth proportional to 326,677.80, 450,783.99 and 183,405 is: 253,081.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,677.80 : 450,783.99 = 183,405 : x
  2. Step 2: Convert to fraction form
    326,677.80/450,783.99 = 183,405/x
  3. Step 3: Cross multiply
    326,677.80x = 450,783.99 × 183,405
  4. Step 4: Simplify right side
    326,677.80x = 82,676,037,685.95
  5. Step 5: Solve for x
    x = 82,676,037,685.95/326,677.80
  6. Step 6: Final answer
    x = 253,081.29

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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.