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Finding the Fourth Proportional to 355,999.32, 533,999.39 and 131,262.39

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Solution

The fourth proportional to 355,999.32, 533,999.39 and 131,262.39 is: 196,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,999.32 : 533,999.39 = 131,262.39 : x
  2. Step 2: Convert to fraction form
    355,999.32/533,999.39 = 131,262.39/x
  3. Step 3: Cross multiply
    355,999.32x = 533,999.39 × 131,262.39
  4. Step 4: Simplify right side
    355,999.32x = 70,094,035,533.63
  5. Step 5: Solve for x
    x = 70,094,035,533.63/355,999.32
  6. Step 6: Final answer
    x = 196,893.73

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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.