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Finding the Fourth Proportional to 365,319.40, 503,847.78 and 229,229.80

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Solution

The fourth proportional to 365,319.40, 503,847.78 and 229,229.80 is: 316,153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,319.40 : 503,847.78 = 229,229.80 : x
  2. Step 2: Convert to fraction form
    365,319.40/503,847.78 = 229,229.80/x
  3. Step 3: Cross multiply
    365,319.40x = 503,847.78 × 229,229.80
  4. Step 4: Simplify right side
    365,319.40x = 115,496,925,839.84
  5. Step 5: Solve for x
    x = 115,496,925,839.84/365,319.40
  6. Step 6: Final answer
    x = 316,153.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.