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Finding the Fourth Proportional to 326,420.74, 450,492.99 and 183,181.35

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Solution

The fourth proportional to 326,420.74, 450,492.99 and 183,181.35 is: 252,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,420.74 : 450,492.99 = 183,181.35 : x
  2. Step 2: Convert to fraction form
    326,420.74/450,492.99 = 183,181.35/x
  3. Step 3: Cross multiply
    326,420.74x = 450,492.99 × 183,181.35
  4. Step 4: Simplify right side
    326,420.74x = 82,521,914,073.74
  5. Step 5: Solve for x
    x = 82,521,914,073.74/326,420.74
  6. Step 6: Final answer
    x = 252,808.43

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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.