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Finding the Fourth Proportional to 573,321.24, 859,979.16 and 146,856.24

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Solution

The fourth proportional to 573,321.24, 859,979.16 and 146,856.24 is: 220,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,321.24 : 859,979.16 = 146,856.24 : x
  2. Step 2: Convert to fraction form
    573,321.24/859,979.16 = 146,856.24/x
  3. Step 3: Cross multiply
    573,321.24x = 859,979.16 × 146,856.24
  4. Step 4: Simplify right side
    573,321.24x = 126,293,305,915.96
  5. Step 5: Solve for x
    x = 126,293,305,915.96/573,321.24
  6. Step 6: Final answer
    x = 220,283.67

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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.