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Finding the Fourth Proportional to 228,002.80, 342,004.20 and 192,573.40

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Solution

The fourth proportional to 228,002.80, 342,004.20 and 192,573.40 is: 288,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,002.80 : 342,004.20 = 192,573.40 : x
  2. Step 2: Convert to fraction form
    228,002.80/342,004.20 = 192,573.40/x
  3. Step 3: Cross multiply
    228,002.80x = 342,004.20 × 192,573.40
  4. Step 4: Simplify right side
    228,002.80x = 65,860,911,608.28
  5. Step 5: Solve for x
    x = 65,860,911,608.28/228,002.80
  6. Step 6: Final answer
    x = 288,860.10

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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.