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Finding the Fourth Proportional to 436,498.80, 654,748.20 and 296,530.80

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Solution

The fourth proportional to 436,498.80, 654,748.20 and 296,530.80 is: 444,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,498.80 : 654,748.20 = 296,530.80 : x
  2. Step 2: Convert to fraction form
    436,498.80/654,748.20 = 296,530.80/x
  3. Step 3: Cross multiply
    436,498.80x = 654,748.20 × 296,530.80
  4. Step 4: Simplify right side
    436,498.80x = 194,153,007,544.56
  5. Step 5: Solve for x
    x = 194,153,007,544.56/436,498.80
  6. Step 6: Final answer
    x = 444,796.20

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Similar ratio
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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.