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Finding the Fourth Proportional to 366,958.30, 550,437.45 and 320,302.30

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Solution

The fourth proportional to 366,958.30, 550,437.45 and 320,302.30 is: 480,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,958.30 : 550,437.45 = 320,302.30 : x
  2. Step 2: Convert to fraction form
    366,958.30/550,437.45 = 320,302.30/x
  3. Step 3: Cross multiply
    366,958.30x = 550,437.45 × 320,302.30
  4. Step 4: Simplify right side
    366,958.30x = 176,306,381,241.14
  5. Step 5: Solve for x
    x = 176,306,381,241.14/366,958.30
  6. Step 6: Final answer
    x = 480,453.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.