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Finding the Fourth Proportional to 288,175.20, 432,262.80 and 183,069.60

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Solution

The fourth proportional to 288,175.20, 432,262.80 and 183,069.60 is: 274,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,175.20 : 432,262.80 = 183,069.60 : x
  2. Step 2: Convert to fraction form
    288,175.20/432,262.80 = 183,069.60/x
  3. Step 3: Cross multiply
    288,175.20x = 432,262.80 × 183,069.60
  4. Step 4: Simplify right side
    288,175.20x = 79,134,177,890.88
  5. Step 5: Solve for x
    x = 79,134,177,890.88/288,175.20
  6. Step 6: Final answer
    x = 274,604.40

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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.