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Finding the Fourth Proportional to 295,999.20, 443,780.10 and 163,029.60

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Solution

The fourth proportional to 295,999.20, 443,780.10 and 163,029.60 is: 244,423.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,999.20 : 443,780.10 = 163,029.60 : x
  2. Step 2: Convert to fraction form
    295,999.20/443,780.10 = 163,029.60/x
  3. Step 3: Cross multiply
    295,999.20x = 443,780.10 × 163,029.60
  4. Step 4: Simplify right side
    295,999.20x = 72,349,292,190.96
  5. Step 5: Solve for x
    x = 72,349,292,190.96/295,999.20
  6. Step 6: Final answer
    x = 244,423.95

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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.