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Finding the Fourth Proportional to 567,016.40, 850,639.80 and 193,077.20

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Solution

The fourth proportional to 567,016.40, 850,639.80 and 193,077.20 is: 289,655.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,016.40 : 850,639.80 = 193,077.20 : x
  2. Step 2: Convert to fraction form
    567,016.40/850,639.80 = 193,077.20/x
  3. Step 3: Cross multiply
    567,016.40x = 850,639.80 × 193,077.20
  4. Step 4: Simplify right side
    567,016.40x = 164,239,150,792.56
  5. Step 5: Solve for x
    x = 164,239,150,792.56/567,016.40
  6. Step 6: Final answer
    x = 289,655.03

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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.