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Finding the Fourth Proportional to 862,533.92, 1,293,756.60 and 330,014

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Solution

The fourth proportional to 862,533.92, 1,293,756.60 and 330,014 is: 495,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,533.92 : 1,293,756.60 = 330,014 : x
  2. Step 2: Convert to fraction form
    862,533.92/1,293,756.60 = 330,014/x
  3. Step 3: Cross multiply
    862,533.92x = 1,293,756.60 × 330,014
  4. Step 4: Simplify right side
    862,533.92x = 426,957,790,592.40
  5. Step 5: Solve for x
    x = 426,957,790,592.40/862,533.92
  6. Step 6: Final answer
    x = 495,004.06

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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.