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Finding the Fourth Proportional to 533,979.14, 800,866.64 and 160,002.14

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Solution

The fourth proportional to 533,979.14, 800,866.64 and 160,002.14 is: 239,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,979.14 : 800,866.64 = 160,002.14 : x
  2. Step 2: Convert to fraction form
    533,979.14/800,866.64 = 160,002.14/x
  3. Step 3: Cross multiply
    533,979.14x = 800,866.64 × 160,002.14
  4. Step 4: Simplify right side
    533,979.14x = 128,140,372,650.28
  5. Step 5: Solve for x
    x = 128,140,372,650.28/533,979.14
  6. Step 6: Final answer
    x = 239,972.62

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1.5x scale

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.