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Finding the Fourth Proportional to 397,363.20, 596,044.80 and 229,401.60

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Solution

The fourth proportional to 397,363.20, 596,044.80 and 229,401.60 is: 344,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,363.20 : 596,044.80 = 229,401.60 : x
  2. Step 2: Convert to fraction form
    397,363.20/596,044.80 = 229,401.60/x
  3. Step 3: Cross multiply
    397,363.20x = 596,044.80 × 229,401.60
  4. Step 4: Simplify right side
    397,363.20x = 136,733,630,791.68
  5. Step 5: Solve for x
    x = 136,733,630,791.68/397,363.20
  6. Step 6: Final answer
    x = 344,102.40

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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.