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Finding the Fourth Proportional to 326,674.30, 450,779.16 and 183,401.50

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Solution

The fourth proportional to 326,674.30, 450,779.16 and 183,401.50 is: 253,076.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,674.30 : 450,779.16 = 183,401.50 : x
  2. Step 2: Convert to fraction form
    326,674.30/450,779.16 = 183,401.50/x
  3. Step 3: Cross multiply
    326,674.30x = 450,779.16 × 183,401.50
  4. Step 4: Simplify right side
    326,674.30x = 82,673,574,112.74
  5. Step 5: Solve for x
    x = 82,673,574,112.74/326,674.30
  6. Step 6: Final answer
    x = 253,076.46

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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.