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Finding the Fourth Proportional to 373,941.20, 561,106.20 and 163,600.40

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Solution

The fourth proportional to 373,941.20, 561,106.20 and 163,600.40 is: 245,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,941.20 : 561,106.20 = 163,600.40 : x
  2. Step 2: Convert to fraction form
    373,941.20/561,106.20 = 163,600.40/x
  3. Step 3: Cross multiply
    373,941.20x = 561,106.20 × 163,600.40
  4. Step 4: Simplify right side
    373,941.20x = 91,797,198,762.48
  5. Step 5: Solve for x
    x = 91,797,198,762.48/373,941.20
  6. Step 6: Final answer
    x = 245,485.65

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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.