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Finding the Fourth Proportional to 194,956.80, 292,435.20 and 191,846.40

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Solution

The fourth proportional to 194,956.80, 292,435.20 and 191,846.40 is: 287,769.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,956.80 : 292,435.20 = 191,846.40 : x
  2. Step 2: Convert to fraction form
    194,956.80/292,435.20 = 191,846.40/x
  3. Step 3: Cross multiply
    194,956.80x = 292,435.20 × 191,846.40
  4. Step 4: Simplify right side
    194,956.80x = 56,102,640,353.28
  5. Step 5: Solve for x
    x = 56,102,640,353.28/194,956.80
  6. Step 6: Final answer
    x = 287,769.60

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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.