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Finding the Fourth Proportional to 297,855.40, 446,783.10 and 131,967.40

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Solution

The fourth proportional to 297,855.40, 446,783.10 and 131,967.40 is: 197,951.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,855.40 : 446,783.10 = 131,967.40 : x
  2. Step 2: Convert to fraction form
    297,855.40/446,783.10 = 131,967.40/x
  3. Step 3: Cross multiply
    297,855.40x = 446,783.10 × 131,967.40
  4. Step 4: Simplify right side
    297,855.40x = 58,960,804,070.94
  5. Step 5: Solve for x
    x = 58,960,804,070.94/297,855.40
  6. Step 6: Final answer
    x = 197,951.10

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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.