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Finding the Fourth Proportional to 613,520.26, 920,373.27 and 192,756.58

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Solution

The fourth proportional to 613,520.26, 920,373.27 and 192,756.58 is: 289,164.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,520.26 : 920,373.27 = 192,756.58 : x
  2. Step 2: Convert to fraction form
    613,520.26/920,373.27 = 192,756.58/x
  3. Step 3: Cross multiply
    613,520.26x = 920,373.27 × 192,756.58
  4. Step 4: Simplify right side
    613,520.26x = 177,408,003,848.62
  5. Step 5: Solve for x
    x = 177,408,003,848.62/613,520.26
  6. Step 6: Final answer
    x = 289,164.05

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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.