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Finding the Fourth Proportional to 355,993.68, 534,200.58 and 131,512.98

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Solution

The fourth proportional to 355,993.68, 534,200.58 and 131,512.98 is: 197,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,993.68 : 534,200.58 = 131,512.98 : x
  2. Step 2: Convert to fraction form
    355,993.68/534,200.58 = 131,512.98/x
  3. Step 3: Cross multiply
    355,993.68x = 534,200.58 × 131,512.98
  4. Step 4: Simplify right side
    355,993.68x = 70,254,310,193.53
  5. Step 5: Solve for x
    x = 70,254,310,193.53/355,993.68
  6. Step 6: Final answer
    x = 197,347.07

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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.