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Finding the Fourth Proportional to 503,659.31, 755,751.39 and 223,110.95

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Solution

The fourth proportional to 503,659.31, 755,751.39 and 223,110.95 is: 334,782.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,659.31 : 755,751.39 = 223,110.95 : x
  2. Step 2: Convert to fraction form
    503,659.31/755,751.39 = 223,110.95/x
  3. Step 3: Cross multiply
    503,659.31x = 755,751.39 × 223,110.95
  4. Step 4: Simplify right side
    503,659.31x = 168,616,406,807.96
  5. Step 5: Solve for x
    x = 168,616,406,807.96/503,659.31
  6. Step 6: Final answer
    x = 334,782.67

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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.