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Finding the Fourth Proportional to 253,130.24, 379,698.60 and 75,596.60

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Solution

The fourth proportional to 253,130.24, 379,698.60 and 75,596.60 is: 113,395.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,130.24 : 379,698.60 = 75,596.60 : x
  2. Step 2: Convert to fraction form
    253,130.24/379,698.60 = 75,596.60/x
  3. Step 3: Cross multiply
    253,130.24x = 379,698.60 × 75,596.60
  4. Step 4: Simplify right side
    253,130.24x = 28,703,923,184.76
  5. Step 5: Solve for x
    x = 28,703,923,184.76/253,130.24
  6. Step 6: Final answer
    x = 113,395.87

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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.