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Finding the Fourth Proportional to 364,771.45, 503,393.08 and 228,811.13

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Solution

The fourth proportional to 364,771.45, 503,393.08 and 228,811.13 is: 315,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,771.45 : 503,393.08 = 228,811.13 : x
  2. Step 2: Convert to fraction form
    364,771.45/503,393.08 = 228,811.13/x
  3. Step 3: Cross multiply
    364,771.45x = 503,393.08 × 228,811.13
  4. Step 4: Simplify right side
    364,771.45x = 115,181,938,696.73
  5. Step 5: Solve for x
    x = 115,181,938,696.73/364,771.45
  6. Step 6: Final answer
    x = 315,764.67

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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.