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Finding the Fourth Proportional to 297,630.96, 446,740.47 and 155,616.90

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Solution

The fourth proportional to 297,630.96, 446,740.47 and 155,616.90 is: 233,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,630.96 : 446,740.47 = 155,616.90 : x
  2. Step 2: Convert to fraction form
    297,630.96/446,740.47 = 155,616.90/x
  3. Step 3: Cross multiply
    297,630.96x = 446,740.47 × 155,616.90
  4. Step 4: Simplify right side
    297,630.96x = 69,520,367,045.94
  5. Step 5: Solve for x
    x = 69,520,367,045.94/297,630.96
  6. Step 6: Final answer
    x = 233,579.08

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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.