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Finding the Fourth Proportional to 468,789.95, 703,234.34 and 153,246.35

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Solution

The fourth proportional to 468,789.95, 703,234.34 and 153,246.35 is: 229,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,789.95 : 703,234.34 = 153,246.35 : x
  2. Step 2: Convert to fraction form
    468,789.95/703,234.34 = 153,246.35/x
  3. Step 3: Cross multiply
    468,789.95x = 703,234.34 × 153,246.35
  4. Step 4: Simplify right side
    468,789.95x = 107,768,091,517.26
  5. Step 5: Solve for x
    x = 107,768,091,517.26/468,789.95
  6. Step 6: Final answer
    x = 229,885.67

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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.