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Finding the Fourth Proportional to 360,497.28, 541,070.88 and 192,157.80

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Solution

The fourth proportional to 360,497.28, 541,070.88 and 192,157.80 is: 288,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,497.28 : 541,070.88 = 192,157.80 : x
  2. Step 2: Convert to fraction form
    360,497.28/541,070.88 = 192,157.80/x
  3. Step 3: Cross multiply
    360,497.28x = 541,070.88 × 192,157.80
  4. Step 4: Simplify right side
    360,497.28x = 103,970,989,944.86
  5. Step 5: Solve for x
    x = 103,970,989,944.86/360,497.28
  6. Step 6: Final answer
    x = 288,409.92

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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.