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Finding the Fourth Proportional to 288,998.80, 433,498.20 and 182,710.60

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Solution

The fourth proportional to 288,998.80, 433,498.20 and 182,710.60 is: 274,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,998.80 : 433,498.20 = 182,710.60 : x
  2. Step 2: Convert to fraction form
    288,998.80/433,498.20 = 182,710.60/x
  3. Step 3: Cross multiply
    288,998.80x = 433,498.20 × 182,710.60
  4. Step 4: Simplify right side
    288,998.80x = 79,204,716,220.92
  5. Step 5: Solve for x
    x = 79,204,716,220.92/288,998.80
  6. Step 6: Final answer
    x = 274,065.90

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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.