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Finding the Fourth Proportional to 355,967.44, 533,937.34 and 131,230.68

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Solution

The fourth proportional to 355,967.44, 533,937.34 and 131,230.68 is: 196,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,967.44 : 533,937.34 = 131,230.68 : x
  2. Step 2: Convert to fraction form
    355,967.44/533,937.34 = 131,230.68/x
  3. Step 3: Cross multiply
    355,967.44x = 533,937.34 × 131,230.68
  4. Step 4: Simplify right side
    355,967.44x = 70,068,960,205.59
  5. Step 5: Solve for x
    x = 70,068,960,205.59/355,967.44
  6. Step 6: Final answer
    x = 196,840.93

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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.