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Finding the Fourth Proportional to 617,089.20, 925,633.80 and 337,153.20

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Solution

The fourth proportional to 617,089.20, 925,633.80 and 337,153.20 is: 505,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,089.20 : 925,633.80 = 337,153.20 : x
  2. Step 2: Convert to fraction form
    617,089.20/925,633.80 = 337,153.20/x
  3. Step 3: Cross multiply
    617,089.20x = 925,633.80 × 337,153.20
  4. Step 4: Simplify right side
    617,089.20x = 312,080,397,698.16
  5. Step 5: Solve for x
    x = 312,080,397,698.16/617,089.20
  6. Step 6: Final answer
    x = 505,729.80

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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.