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Finding the Fourth Proportional to 529,639.50, 794,816.46 and 197,215.50

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Solution

The fourth proportional to 529,639.50, 794,816.46 and 197,215.50 is: 295,956.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,639.50 : 794,816.46 = 197,215.50 : x
  2. Step 2: Convert to fraction form
    529,639.50/794,816.46 = 197,215.50/x
  3. Step 3: Cross multiply
    529,639.50x = 794,816.46 × 197,215.50
  4. Step 4: Simplify right side
    529,639.50x = 156,750,125,567.13
  5. Step 5: Solve for x
    x = 156,750,125,567.13/529,639.50
  6. Step 6: Final answer
    x = 295,956.26

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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.