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Finding the Fourth Proportional to 324,003.50, 447,125.10 and 180,763.58

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Solution

The fourth proportional to 324,003.50, 447,125.10 and 180,763.58 is: 249,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,003.50 : 447,125.10 = 180,763.58 : x
  2. Step 2: Convert to fraction form
    324,003.50/447,125.10 = 180,763.58/x
  3. Step 3: Cross multiply
    324,003.50x = 447,125.10 × 180,763.58
  4. Step 4: Simplify right side
    324,003.50x = 80,823,931,548.23
  5. Step 5: Solve for x
    x = 80,823,931,548.23/324,003.50
  6. Step 6: Final answer
    x = 249,453.89

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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.